Ben 10 and Young Justice Crossovers
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The Chimera by DrWhoFan13 reviews
A man from our universe arrives with nothing but pajamas and a really advanced watch. Under the guidance of senior heroes and the friendships made with fellow sidekicks, he shall rise to become The Chimera. SI. Crossposted on AO3
Rated: T - English - Drama/Sci-Fi - Chapters: 14 - Words: 124,729 - Reviews: 91 - Favs: 376 - Follows: 432 - Updated: 4/18 - Published: 12/20/2020
Justice Force:Outsiders by Quillion9000 reviews
With the Reach gone, our heroes were able to get some rest, but it never could last long. Between finding the entities, Aggregor, meta trafficking, the Light, and Dagon, they got their plates full. Threats from beyond the stars, within Earth, and on Earth will be coming to the forefront. In the end, heroes must rise to the occasion or everything will crumble around them.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 4,355 - Reviews: 21 - Favs: 58 - Follows: 58 - Published: 3/28 - Ben T., Ken T., Kevin, Richard G./Nightwing
Justice Force:Invasions by Quillion9000 reviews
After the events of Justice Force, the team didn't have to deal with much. The Light were rethinking their plans and considering what a team of young heroes meant to future plans. That all changes when threats from beyond the stars make moves. Now, the team won't only have to deal with The Light, but also alien races that set their sights on Earth for one reason or another.
Rated: T - English - Adventure/Sci-Fi - Chapters: 30 - Words: 172,858 - Reviews: 183 - Favs: 84 - Follows: 88 - Updated: 3/28 - Published: 2/21 - [Ben T., Megan M./Miss Martian] Jaime R./Blue Beetle, Richard G./Robin - Complete
Justice Force by Quillion9000 reviews
Ever since Ben got his watch, he's been watched by the heroes of this world. Now, a decision has been reached concerning his and his cousin's future. Really, they may as well be heroes, but when you are a child equipped with the most powerful weapon in the universe, that raises hesitation.
Rated: T - English - Adventure/Sci-Fi - Chapters: 32 - Words: 187,590 - Reviews: 282 - Favs: 225 - Follows: 225 - Updated: 3/23 - Published: 11/26/2021 - [Ben T., Megan M./Miss Martian] [Gwen T., Conner K./Superboy] - Complete
Justicia Joven: La Travesía de Albedo by Zedkaii reviews
Albedo tragado por la cronoexplosion que ben 10k empeoro, se ve atrapado en una nueva dimensión llena de héroes y villanos. Ahora hará lo que sea necesario para ser reconocido como un héroe (aunque eso sea para poder escapar del planeta).
Rated: T - Spanish - Adventure/Humor - Chapters: 3 - Words: 22,357 - Reviews: 13 - Favs: 28 - Follows: 29 - Updated: 3/14 - Published: 7/14/2021 - Albedo
Omni Justice by Anime Crossovers reviews
What happens when Ben 10, hero of heroes, is thrown into the Null Void but when he get's out, he finds himself in a complete new world. With its own heroes and villains.
Rated: T - English - Adventure/Supernatural - Chapters: 9 - Words: 73,836 - Reviews: 154 - Favs: 381 - Follows: 448 - Updated: 2/25 - Published: 8/7/2021 - Ben T., Artemis C./Artemis, Megan M./Miss Martian, Zatanna Z.
Ben 10 y Justicia Joven Crossover by Victorius10K reviews
Ben Tennyson se da cuenta de que no esta en su dimensión y no recuerda como llego ahí, Ahora con un "Nuevo" Omnitrix y con nuevos amigos deberá defender este mundo y tratar de recordar como llego ahí o por que su Omnitrix volvió a cambiar.
Rated: K+ - Spanish - Sci-Fi/Adventure - Chapters: 13 - Words: 115,249 - Reviews: 25 - Favs: 23 - Follows: 25 - Updated: 2/22 - Published: 9/12/2021 - Ben T., Kaldur/Aqualad, Megan M./Miss Martian, Richard G./Robin
Young Alien Justice by JungleFurious reviews
Nathan Hart was just an ordinary teen ready to begin his summer vacation, but soon he discovered a strange watch that could transform him into 10 superpowered aliens. this puts him on notice with the Justice League and decide to have him be a part of a team of young aspiring heroes. Together, they'll face threats such as criminals, robots, society of villains, and alien conquerors.
Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 26,999 - Reviews: 46 - Favs: 82 - Follows: 104 - Updated: 2/1 - Published: 1/22 - [OC, Raquel E./Rocket] Vilgax, Hal J./Green Lantern
Ben 10: Justice Incarnate by Firestorm808 reviews
Stranded in an unknown world, Ben must fulfill his destiny here and change history for the better. Cover image from Promsien.
Rated: T - English - Adventure/Humor - Chapters: 17 - Words: 71,356 - Reviews: 674 - Favs: 1,943 - Follows: 2,196 - Updated: 1/14 - Published: 3/23/2016 - Ben T.
Nathan 10 by conservativemo reviews
A young man dies, being reborn in a world where the characters of Young Justice and Ben 10 co-exist. WIll he stand and rise to become the greatest hero, or fail and lose everything he holds dear. Undecided pairing so far
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,305 - Reviews: 6 - Favs: 25 - Follows: 30 - Published: 11/17/2021 - Rook, OC, Conner K./Superboy, Clark K./Superman
The Outsiders by Ciel Binns reviews
Ben is finally ready to settle down when he gets a surprise visit from one of his villains. Blasted into the Null Void, he works to escape and ends up in a parallel universe where superheros exist. Follow Ben as he rekindles his love to be a hero and gain an interesting lover on his quest for peace.
Rated: K - English - Fantasy/Romance - Chapters: 1 - Words: 6,937 - Reviews: 18 - Favs: 57 - Follows: 81 - Published: 10/8/2021 - Ben T., Zatanna Z.
So You're not a lantern? by DiamondDeerSpirit reviews
When Ben ends up on another earth, that isn't his own, he's all by himself trying to figure out how to get home. He never expected in a million years that he'd be ask to join a team of teenage superheroes, especially after being there for just two months. He's not even sure if he can go home...but will he just accept his new life or fight it?
Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 9,572 - Reviews: 18 - Favs: 133 - Follows: 174 - Updated: 8/9/2021 - Published: 9/6/2020
Justice Matrix by AUfan62 reviews
Ben crossed over into the YJ universe. (No he doesn't lose everything he loves.) Now he joins a newly formed team. Takes place after series 1 Ben is 13 didn't give up the Omnitrix. Ben/Zatanna pairing.
Rated: T - English - Adventure - Chapters: 17 - Words: 138,670 - Reviews: 333 - Favs: 567 - Follows: 621 - Updated: 5/10/2021 - Published: 7/18/2019
Watch and Learn by PhoenixAzure reviews
An SI gets thrown into the DC universe with nothing more than the clothes on his back, his phone, and wait… Is that the Omnitrix!
Rated: T - English - Adventure - Chapters: 4 - Words: 10,364 - Reviews: 28 - Favs: 222 - Follows: 259 - Updated: 4/21/2021 - Published: 4/19/2021 - OC
Justice Era: Invasion by G O G E T A 9 0 0 0 reviews
Ben lost everything and everyone he loved but, with Vilgax still after him, he'll need the help of the Justice League and their proteges. Can Ben kill Vilgax once and for all? Will he be the same person afterward, if he does? This is the beginning of a whole new era! - Completed
Rated: T - English - Adventure/Romance - Chapters: 42 - Words: 295,841 - Reviews: 985 - Favs: 1,059 - Follows: 983 - Updated: 1/8/2021 - Published: 6/25/2015 - [Ben T., Megan M./Miss Martian] - Complete
Ben 10: Heroic Frontier by Shadow-Proclamation8 reviews
Ben Tennyson has not lost everything he loves. In fact, things have been pretty sweet. But with an old enemy threatening a new reality. It's time for our favourite bearer of the Omnitrix to step in. Witness Ben as he makes his way around this new world, full of new heroes and villains. It's Hero Time everyone!
Rated: T - English - Adventure/Drama - Chapters: 6 - Words: 30,760 - Reviews: 168 - Favs: 450 - Follows: 500 - Updated: 12/15/2020 - Published: 5/14/2018 - [Ben T., Zatanna Z.]
Ten More For Justice by NoMoreNormalcy reviews
11-year-old Ben finds himself in a world of worry a world away from home! Join Ben as he fights supervillains, learns how to deal with having an alter ego much better, and saves the day with the Young Justice team! No Omniverse.
Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 10,729 - Reviews: 21 - Favs: 75 - Follows: 98 - Updated: 10/14/2019 - Published: 9/15/2019
How to Raise a Kryptonian by CyberActors15 reviews
Being an alien themed superhero with a super powered alien watch makes dealing with aliens surprisingly easy. However fighting evil aliens or being diplomatic with different aliens is very different to raising two alien children, especially when they are Kryptonians.
Rated: T - English - Adventure/Family - Chapters: 4 - Words: 22,837 - Reviews: 35 - Favs: 179 - Follows: 183 - Updated: 5/17/2019 - Published: 3/9/2019 - Ben T., Conner K./Superboy
The power of 10 by Octevio reviews
When Ben's baddies are in another dimension Paradox sends him over there to stop them now with the help of the team Ben will save the day all while being in a realtionship with Supergirl(Will be back sometime in June and before the 4th of july)
Rated: T - English - Adventure - Chapters: 1 - Words: 1,233 - Reviews: 2 - Favs: 28 - Follows: 30 - Published: 2/20/2018 - Ben T., Conner K./Superboy, Megan M./Miss Martian
Unlimited Justice, Part 2 by The Incredible Muffin reviews
Though the Light's plans have been foiled, the Team isn't done yet. New threats loom on the horizon, darker and more terrible than they can possibly imagine, and the Light still schemes. Now, more than ever, the world needs heroes. (Discontinued) STORY HAS BEEN ADOPTED BY CHIDORIPRIME. Story will remain up, but still adopted.
Rated: T - English - Adventure - Chapters: 12 - Words: 78,937 - Reviews: 336 - Favs: 581 - Follows: 489 - Updated: 4/29/2017 - Published: 2/15/2015
Unlimited Justice, Part 1 by The Incredible Muffin reviews
With a new generation of heroes just coming into their own, they are formed into a new team. With old friends and enemies alike showing up, will this new team rise to the occasion, or will The Light plunge the world into darkness? (Discontinued) ADOPTED BY CHIDORIPRIME. Will remain up, but still adopted.
Rated: T - English - Adventure - Chapters: 30 - Words: 259,836 - Reviews: 912 - Favs: 1,030 - Follows: 689 - Updated: 4/29/2017 - Published: 3/31/2014 - Complete
A verdadeira família de Ben Tennyson by socram1 reviews
Ben Tennyso foi banido de seu universo por usar os poderes do aliem X para parar um grande mal de destruir todo o multivetor. Sozinho e com poucos recursos Ben acaba em um novo com novos heróis e acaba descobrindo um segredo antigo sobre si mesmo e sua família.
Rated: T - Portuguese - Adventure/Drama - Chapters: 7 - Words: 38,108 - Reviews: 14 - Favs: 22 - Follows: 23 - Updated: 2/22/2017 - Published: 9/30/2015 - Ben T.
Mask by SParkie96 reviews
Ben Tennyson thinks Dick Grayson needs to grow a backbone. Ben thinks Robin is a sarcastic pain in the ass. Basically Robin/Dick is trying to get along with his newfound older brother. Rated T for language and themes.
Rated: T - English - Friendship/Humor - Chapters: 6 - Words: 10,521 - Reviews: 21 - Favs: 30 - Follows: 33 - Updated: 6/24/2015 - Published: 10/30/2012 - Ben T., Richard G./Nightwing
Justice Ben by aalforejy2001 reviews
in a world where our hero loses everything he finds comfort with new friend.
Rated: K - English - Adventure/Tragedy - Chapters: 2 - Words: 3,440 - Reviews: 5 - Favs: 13 - Follows: 12 - Updated: 5/13/2015 - Published: 5/10/2015
Ben 10: Ultimate Justice by Karma826 reviews
The Team gets a new member: Ben Tennyson from another universe! What will happen to him and the team? Please R&R. ADOPTED BY ActionBoy 87.
Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 4,255 - Reviews: 77 - Favs: 154 - Follows: 159 - Updated: 3/27/2015 - Published: 1/3/2013 - Ben T.
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