A group of Marvel's biggest villains approach Shredder with a plan for world domination and the destruction of all who stand in their way. Universes: MCU (events/relationships altered slightly) and TMNT 2012 series (events altered slightly)

Rin and Yukio Okumura are getting ready to return to Hogwarts for their third year when they hear that mass murderer Sirius Black escaped Azkaban prison. Everyone thinks he's after Harry Potter. While everyone at school is keeping their eyes peeled for the escaped convict, the Okumura twins can't help but feel like they heard Black's name from somewhere.

A strange but intelligent titan lives deep within the forests of Wall Maria, right under the military's nose. What happens when the mysterious titan comes across two small children and the Scouts? Titan!Eren AU

A accident in the lab, now their human! Will turtles get their old life's back or will they meet trouble on the way. They may look normal but they may never live normal lives. (Story starts off cringe but I promise it gets better lmao)

Unknown to all, some people have secrets that we must not reveal to others, but soon, 3 heroes from different places meet to defeat an unknown entity that might destroy the whole world, Randy, The Ninja of Norsville, Jake Long, The American Dragon who protects magical creatures that live among humans, and Danny Phantom, The Ghost Boy who saves Amity Park from Ghosts.

"So..." The stranger took off his hood, and the first thing they saw was a long mass of messy emerald curls. After that they focused on his face, and noticed sharp and confident eyes of the same color. He took his stance. "You wanna fight, too?"

Rin and Yukio return to Hogwarts for their second year, but something evil is lurking within the school. Students are being Petrified left and right and all evidence points to Harry Potter. What is attacking the students? Is it a monster? A demon? Or something else?

A new business opens up in London. A new family moves into Private Drive. A new friend approaches a young Harry Potter on the playground. This changes some things.

What happens when Amity Park’s resident half-ghost is enrolled as an exchange student at UA Academy for aspiring heroes?

Tony Stark hires an intern. However, he along with the rest of the Avengers would've never guessed he was the city's favorite web-slinger. And Peter Parker never expected for them and SHIELD to be interested in a lower class superhero.

Sonic is thrust into a brand new world of heroes and villains. He may think that the worst thing to happen to him is being forced into boring classes, but he doesn't know about the darkness hiding behind every corner, eyes watching his every move. He has to learn quickly that being a hero isn't all about fancy footwork.

When recruiting for the dreaded 'Civil War' Bucky suggests one of his friends. That friend is none other than Kaneki Ken.

ABANDONED. The day-to-day struggles of Wes Weston as he is faced with the painful realization that he is the only person who seems to realize that Danny Fenton is actually Danny Phantom. Many plot ideas adopted from headcanons mixed with some original ideas. Minor DxS. Post D-Stabilized, no Phantom Planet. Cover image made by CartoonFreakshow. Strong language warning.

Two teenage heroes team up in this action pack humorous adventure. When McFist decide to hire someone to destroy the Ninja he hires Skulker to get the job done. That is not unless Danny Phantom have anything to say about it! Post PP and take place during season 2 of RC9GN. Warning: THeressaXRandy and SamXDanny fluff. I do not own the picture.

Strange things have been happening to Rin and Yukio Okumura for years. When they receive letters from a magical school in Europe, their views of the world are forever changed as they discover that magic and demons are very, very real. Image by DemiGardess.

Between TG and TG:Re. When Kaneki and Touka both decide to face Arima together, they both die, it's as simple as that. They never expected to wake up in an entirely new world five years in the past.

Despite standard procedure, Spider-Man's villains do give him their silent respect. Not that he needs it, but it's the thought that counts. (Cross posted on AO3)

After the gorilla gang is arrested by the ZPD, Officer Wilde checks in on the son of an old friend. [No slash. Part 1 of the "you're gonna me roar" series. One-shot.]

Hoping to find some excitement, the Rainbooms visit the Turtles only to find out Bebop and Rocksteady have allied themselves with Krang and an alternate Shredder who hope to conquer their dimension.

The day has come for Randy to be mind-wiped and forget about being the ninja and...his entire friendship. So what will be the secret trio's fate? Will Randy really forget everything? And will they really become the secret duo?

An infamous ghoul, Eyepatch, is captured by the Japanese Ministry of Magic and transported to Hogwarts to be used in the final task of the Triwizard Tournament as well as the Care of Magical Creatures class. CCG Investigators Amon and Shinohara are dragged along against their will (read: kidnapped) to help handle the ghoul. Complete.

(And The 1 Time They Saved Their Lives) Peter loves being Spider-Man. At the end of the day, he wouldn't trade it for anything. But sometimes, the world is just too loud.

Based on fablegate's baby Frisk AU, on tumblr. Only a few months old Frisk is slid down to the underground with no explanations. Awaits a world full of danger for a human baby, but also full of tenderness. However, who could predict the futur of a child who'll grow between two worlds?

Rin thought it was a normal day, but it's not really normal to find a notebook that can kill someone by just writing their name. Now, he has to deal with a "god of death" that has been helping the most wanted killer "Kira". Speaking of Light, where is he?

After the Mutagen Bomb, the world was wiped out, leaving the turtles and the Rainbooms separated from each other. Now they must fight to survive in the apocalyptic wasteland from the threat of warring mutant gangs all while trying to find the only place left in the world that has any life to it.

(After Civil War, no pairings, fatherly!Tony). A month after the war between heroes, Tony couldn't help but wonder about how his new young friend, Spiderman, is doing after the battle at the airport. Not everyone can get hit by over a thousand pounds of force and just walk away. So what does Tony do? He goes to check on his favorite spider. (Now a oneshot/arc collection!)

Due to attacks by Norrisville High, students are forced to move away by their parents so they don't get injured. With the need for students, Norrisville High looks for exchange students. HUGE crossover, all of the shows are listed in the first chapter. (This story has a rewrite in the RC:9GN x X-Overs Cat. that will go farther than this one, this one is cringey btw)

Peter is at the Avengers base when a storm hits and his 'heightened senses' become more apparent. (Tom Holland/MCU Spider-Man. Oneshot)

A series of one-shots, with Spider-Man doing every day deeds to help people, and in return, them helping him when he needs it; because Spider-Man will always be the protector of the little guys. Spidey/NYC interaction :) TASM movie-verse :) Latest chapter- The Woes of Illness: Spidey gets sick on the job, and it's up to the locals to help him out.

(Also X-Men Movieverse) Amid all Tony Stark's activity with Peter Parker...he never registered Spider-Man under the Sokovia Accords. Aunt May learns Peter's secret identity a much harder way six months after Homecoming. Now Complete! The Avengers re-assemble and the alliance between the X-Men and Avengers is sealed thanks in no small part to Peter Parker!

The first time, Tony shrugged it off. The fifth time, he was a bit more aware. It took him until the tenth and worst time to put it all together. From that point on, he was determined to help the kid who he thought of as his own. Autistic!Peter so if you don't like, don't read. I apologize for any inaccuracies in portrayal (I promise this summary is the bad part, not the story)

Goku es enviado al pasado por un invento de Bulma, este termina 500 años en el pasado. Ahora tiene que vivir nuevas aventuras en la época feudal rodeado de monstruos, híbridos, demonios, entre otros. Pero también tendrá un encuentro con Inuyasha y sus amigos para ayudarles con su misión de reunir los fragmentos de la perla de Shikon, ¿Podrá regresar a su época?.

Someone has tampered with the Nomicon, and now Randy Cunningham is trapped. If he is not set free soon, Norrisville will have a new ruler, and it won't be pretty. But perhaps help can come from two unlikely friends, and just as unlikely heroes. Can they reach Randy in time? Will Randy escape in time to stop the sorcerer from stanking up the town?

A paranormal convention in Amity Park. A ghost. A dragon. And a ninja. Sounds like a promotional advertisement for a cheesy corny comedy movie. It is not as fortunate as that. When three villains work together to take what they want, all hell will break loose. This is a three way crossover with American Dragon, Danny Phantom, and Randy Cunningham.

Rin accidentally slips into an alternate universe while in Gehenna. Landing in Amity Park, Rin finds out the place is infested with ghosts, and that this universe isn't his own! Along the way, he discovers things and somehow makes friends with the Freak Trio of Casper High. The thing is, how do you ask someone who has no idea you're a demon to help you get back to your kingdom?

When Frieza destroyed Planet Vegeta, one young Saiyan and his baby brother got a space pod and took off hoping to find refuge on a far way planet, but when they land on a planet with Giant Monsters that fest on human flesh, will they grow to be everyone's saviors and hope for the future? Rating is set to a T may change it to M later for graphic imagery

As an experiment went wrong , Goku is sent to a city protected by greatest superheroes. Let find out what happens when the saiyan joins them in order to protect the world . And meets people far stronger than anyone he has ever faced. YOU DECIDE THE PAIRING.

After a mishap with a portal, the Turtles and their human allies find themselves joining the Rainbooms at Camp Everfree where there's mystery and magic in the air. With the Rainbooms gaining new magical abilities, they take their next step in their ninja training to learn to control their new powers and defend their friends from a danger lurking within the camp itself.

Picking up where they left off, the Rainbooms after escaping the planet earth's destruction at the hands of the Triceraton Empire are given a second chance to stop them from destroying their planet. They return to their world on board a space ship where the turtles and their friend the Fugitoid set out into space to stop the Triceratons and save planet Earth.

It was 5th year and Harry was having a terrible time. Everyone thought he was liar and a fraud and the DADA professor was out to make his life miserable. But a special guest at the Halloween feast may indicate that Harry's luck is finally turning around. ONESHOT

Frisk and the monsters celebrate their first Christmas on the surface.

Another story featuring Myrling's OC, Irrilia. This one was written for Father's Day because grandfathers are fathers too.

Short Story. A Halloween Special.

"Woah, you're really a turtle! I can't wait to swap stories, man!" a boyish voice exclaimed from underneath the mask. Raph felt his annoyance go up a notch. "Stop yer yammerin', spandex boy." [Civil War's Spider-Man & 2K14Movie TMNT] **2017 TMNT UNIVERSAL READER'S CHOICE AWARD NOMINEE**

Spidey runs into another anthropod-themed hero while out on patrol. To say that things started out a bit unusual between them would be an understatement. AU

800 Years ago the First Ninja, an Ancient Dragon, and a man known as the Spirit King worked together to defeat an evil force. Another evil of epic proportions threatens the Earth. The Current Ninja, the Ancient Dragon's Descendent, and the Spirit King's Reincarnation cross paths. A miracle of fate to save the world.

A terrible vision of the future lingers in Clockwork's mind as he makes the appropriate adjustments needed to bring together three very unique young men and their very unique teams. A possible way that Danny, Randy, and Jake could've met. This is a test, I want to know if I've improved with writing these characters. It'll still be a while before I write the main story. Three-shot.

Jake Long and Randy Cunnginham get more than what is expected from Danny Fenton when they first meet him. Secrets are revealed and things happen. Both good and bad.

Jake Long, Randy Cunningham and Danny Fenton had a day of training with each other's mentors. What chaos will ensue? What will they learn? Do they really know their mentors well? Read and Find out. Three-shot!

a family trip could bring a lot of things, but Danny, Randy and Jake get themself some thing more speacial a Secret trio AU (i'm bad with Summary)

At first, Danny didn't think Norrisville was haunted—but that was before his ghost sense went off and he found this Ninja terrorizing the local high school. And at first, Randy didn't think anything of the new kid who turned up to laugh at him—but that was before he almost got fried by a laser and realized he was dealing with McFist's lackey. (Cover by anonymous. bat)

The Fentons make a deal with McFist Industries so they need to stay in Norrisville for a couple weeks. Since Maddie and Jack think it would be irrisponsible to keep the kids out of school for so long, they have them go to Norrisville high while they're out of town. How will Randy respond to this sudden ghost activity going on at NHS?

For the kinkmeme prompt: "The girls are bored, and they look around for something to do... The next thing Eren knows, he's got several females climbing up to his shoulders and immediately going after his hair, chattering to each other about styles."

Danny Fenton, Randy Cunningham and Jake Long live seperate lives, in seperate continents, and chances are they'll never meet. Unfortunately, fate loves to spite it's victims, and these three teens collide. Just in time to try and save the entire world from an unknown evil, too. Huh, guess fate DOES know what it's doing. Maybe.

Randy Cunningham, Danny Fenton y Jake Long son tres adolescentes muy diferentes, pero los tres tienen algo en común: son superhéroes. Sin embargo, ninguno sabe de la existencia del otro, hasta que por azares del destino se ven obligados a trabajar juntos para salvar al mundo de una inminente amenaza.

An Secret trio adventure! Jazz takes Danny to Norrisville so they can get away from their parents constant bickering about Santa. Gramps takes Jake, Spud, and Trixie to Norrisville for Jake's X-mas present to meet the one and only Norrisville ninja! What happens if the tree meet? Read to find out! Rated t to be safe and possibly future gore.

When Kaneki's Aunt decides she can't take care of him any longer he gets passed onto relatives from his father's side, the Yagami's. After living with them for a couple years everything has been fine and he's finally been able to live a normal family life. That's until strange things start happening and a mysterious killer known as Kira appears. (Full summary inside.)

Twilight and the girls of Canterlot High travel to New York to take on the Dazzlings who have allied with a mad man bent on revenge. The girls only hope to face the trio of sirens and their ally is in the form of four mutant turtles, their master, and their two human friends. MLP/Ninja Turtles crossover.

Danny Phantom, Randy Cunningham, and Jake Long, some of the best teenage superheroes out there thought they were at the top of the league. They all get a pleasant surprise when a secret villain league penetrates their defenses. Now they must put aside their pride and rivalry to save their worlds, or all shall come crashing down. Can they save the people they care for in time?

Blood Blossoms, Ectoranium, Sphinx Hair, A strike behind the left ear and... chickens? A Secret Trio oneshot. (Includes American Dragon: Jake Long too, in other words).

Let's drive down the path of life. A series of friendship-y one shots about our favorite secret trio. Previously a one shot called Driving, I was too lazy to change the name. Latest: Maybe staying the night at Chuck E. Cheese's hadn't been a good idea...

A strange ghost alchemist, after years of isolation, creates and sends out an army of ghost imps to Earth. His exact motives unknown and unable to face the situation alone, Danny Fenton, Randy Cunningham, and Jake Long team up to stop him. Though unsure of each other, they must learn to work together in time. ((Crossover of RC9GN, DP, and AD:JL. Cover art by Spectral Ninja.))

Randy Cunningham's school is destroyed and the students must transfer to Casper High. They are assigned to stay with a host family, Randy meets a 9th grader named Danny Fenton. Jake Long's grandfather believes he must learn more about ghosts and takes him to meet the Fentons. What will be in store for our young heroes? (Follow me on Tumblr at ghostgirlninja1122, avatar is not mine)

Oneshot collection starring the secret trio at Camp Amicability! Written with suggestions from all of you, and headcanons from all three series being used shamelessly. Rated for safety. This story is adopted from Sorenalice, Check out her stories they're amazing!

A story of one-shots about the quests of the secret trio. Suggestions from the readers, headcanons and my own ideas. Read, review and more importantly, enjoy!

Peter knew this was not going to be his day, hell his week. Dr. Connors was out and has lizard out once more. The Avengers lend him a helping hand and now he finds himself tangled up with SHIELD and a world a 17 year old should never be a part of. AU and nice!Loki. Also crossover with Agents of SHIELD in some chapters. All Avenger movies will be mixed in.-COMPLETED-

A Set of Drabbles, One-shots and Small Story Arcs featuring Randy, Jake and Danny - The Secret Trio Full Summary inside - Chapter 1-3 'Mentor' Story Arc

"Despite the lack of skin on his cheeks, Eren was trying to smile in the best way that he could in his titan form." – Titan!Eren/Mikasa. My entry for Eremika Week, Day Four: Warmth. Fluffy one-shot. (Eren/Mikasa)

Walking home along the streets of New York, Splinter struggles with painful memories of his life back in Japan. A sign in a pet shop and a rude stranger end up changing everything-but is it a nightmare or an bizarre blessing? "My Sons, My Everything" is a look at the 2012 TNMT universe through Splinter's eyes. Some fluff, mostly emotional exploration. Rated T for mild violence.

this is actually a four way crossover. ParanomiCon, the largest paranormal convention ever, is being held in gravity falls. through many a strange circumstance, a ninja is saved by a ghost, twins gain a special sighted third cousin, and villainous town mayors make evil deals with demons and sorcerers. Enjoy!

Recently, I found an animation celebrating Superman's 75th anniversary. With that, I made this crossover with one of my favorite childhood movies as a token to Superman. Enjoy and happy anniversary.

After a foreign idiot bomber bombs the shrine, the Higurashi family are forced to move, and since the Bone-Eater's Well got destroyed with the shrine, Inuyasha's stuck with them. Where do they move? Amity Park! Blame Grandpa for that choice. Now they have to deal with ghosts, school, crazy ghost hunting parents, and what-ever-the-heck-can-go-wrong.

One bad day. One chance meeting. That's all it takes to bring three of the most unlikely heroes together in the face of adversity. This is the story of the first adventure of Randy Cunningham, Danny Phantom, and Jake Long as a trio.

Voldemort kept his soul stable by taming a dangerous demon, Rin and Yukio attend Hogwarts to try to track down the demon and eradicate it. But the Triwizard tournament is taking place and Rin ends up being chosen as contestant causing a lot more problems for the brothers then was ever expected.

As a general rule, diving into unknown swirly vortexes in the Ghost Zone is a bad idea, but this was a time when Danny had no other real choice. Meanwhile, Jake thought he was through dealing with ghosts, but Rotwood, well, he's just getting started.

One-Shot. A curse turns Sesshomaru into a pint size version of his dog demon self, and it's up to Rin to find a way to change him back!

House and his team are faced with mysterious burn victim. Who is he? What nearly killed him? And what is his connection with the Kira case? Answers only beget more questions as lives are put on the line. -House, M.D./Death Note crossover- COMPLETE

“And to think, I thought it would be harder to train a dog.”

We all know Inu Yasha is part dog demon, but just how dog-like is our favorite hanyou?

Kagome returns to the feudal era one day and gives a ‘special’ gift to Inuyasha. He’s somehow naturally amused and in awed by it, until she starts laughing hysterically...Please R&R.

Inuyasha has an accident and turns a little more towards dog then boy. How will he react towards Kagome with his new puppy-like self? Kg/Iy

A cute story about how Goku and Vegeta get turned into Babies by goku's old enime Pilaf. Goku and Vegeta go through adventures as babies together much to the dislikement of vegeta.