Marvel and Halo Crossovers
The Ultimate Warrior by long night of solace reviews
Humanity is an impressive inter-galactic empire at tier-0 level. When John-117, their military commander engages an unknown enemy, he and Cortana in a fortress ship, Labyrinth of Chaos were displaced into an alternate universe with things beyond imagination. He needs to team up with the Marvel heroes to solve a mystery that might threaten the whole universe.
Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 22,567 - Reviews: 28 - Favs: 66 - Follows: 91 - Updated: 12/30/2017 - Published: 12/11/2017 - T. Stark/ Iron man, Master Chief/John-117
New Horizons by 2 good 2 kill reviews
The Master Chief has finally lost everything. Halsey, his team, and finally Cortana. Where he may have chosen death, fate has set a new task before him with a new team. They will have to face down foes of incredible might and will have to rely on one another if they ever wish to see home again.
Rated: T - English - Adventure/Sci-Fi - Chapters: 9 - Words: 64,549 - Reviews: 92 - Favs: 126 - Follows: 147 - Updated: 12/23/2017 - Published: 1/3/2014 - Master Chief/John-117, Rtas 'Vadumee, S. Palmer
Defenders from the shadows by InfinityGamer104 reviews
All Spartan IIs have been resurrected by an unknown force and together with Dr Halsey, Cortana and Senior Chief Petty Officer Franklin Mendez are mysteriously thrown aboard an empty Infinity-class supercarrier and somehow managed to travel to the MCU. With only the Huragok onboard the ship how will they affect the events of the MCU? Little to no romance. Rated T. UP FOR ADOPTION!
Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 4,065 - Reviews: 16 - Favs: 61 - Follows: 69 - Updated: 1/27/2017 - Published: 10/31/2016 - T. Stark/ Iron man, N. Romanov/Black Widow, Master Chief/John-117, Cortana
The Master Chief joins the Avengers by monstahmikelson16 reviews
The Forward Unto Dawn comes through the portal above Stark Tower when the portal opens erroneously. When the Chitauri finally come through the have to deal with a Demon of the Battlefield and his AI partner as they join the fight with SHIELD and the Avengers to defend Earth. Enjoy the mayhem that ensues from Chief working with the Avengers! Chapter 2 is rewritten, Chapter 7 is new.
Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 15,504 - Reviews: 62 - Favs: 223 - Follows: 261 - Updated: 2/18/2016 - Published: 8/10/2013 - T. Stark/ Iron man, Master Chief/John-117, Cortana
A hyper lethal vector and marvel by queen angela
"So since you are the only other human i have been able to find that isnt dead do you have a plan cause mine sucks and what's so secret about this place, it looks like a junkyard?" The women could only stare at him. He was suppose to be a spartan and his cocky attitude along with his constant cursing did not make him seem like one.
Rated: T - English - Humor/Sci-Fi - Chapters: 2 - Words: 2,291 - Favs: 3 - Follows: 4 - Published: 2/16/2016