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The Defenders of Humanity by Johnnieboy11 reviews
After the Battle on Mantle's Approach, the Master Chief and his companion AI, Cortana, find themselves in a strange time and place. To survive, the two and those that would come to follow them shall seek allegiance to Earth's Mightiest Heroes, in order to prepare for and counter a great threat to not just mankind, but the wider Universe.
Crossover - Halo & Avengers - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 14,230 - Reviews: 38 - Favs: 227 - Follows: 306 - Updated: 7/1 - Published: 3/12/2022 - [Cortana, Master Chief/John-117] Captain America/Steve R., Iron Man/Tony S.
The Outbreak by Agatha of Woods Beyond reviews
They thought they'd won. It started with a cough, but worse symptoms quickly emerged, spreading faster than anyone could imagine throughout the camp. Where did it come from? Can it be stopped? With Percy and Jason in the custody of the oblivious avengers, unaware of the plague infesting their world, will a cure be found before the entire demigod race is wiped out?
Crossover - Percy Jackson and the Olympians & Avengers - Rated: K+ - English - Humor/Hurt/Comfort - Chapters: 31 - Words: 94,565 - Reviews: 108 - Favs: 86 - Follows: 112 - Updated: 7/1 - Published: 11/6/2022
The Journey of Death's Chosen by ThePhantomMedjay reviews
One can serve at Death's whim, but understand you can never control it, nor will you ever have the pleasure to be it... This is the tale of the unfortunate man that served Death at her whim, yet became far greater than ever imagined. - Halo - Mass Effect - Avengers - Assassins Creed - Star Wars - DC - Twilight - and much much more...
Crossover - Harry Potter & Avengers - Rated: K - English - Sci-Fi/Adventure - Chapters: 16 - Words: 202,238 - Reviews: 28 - Favs: 194 - Follows: 246 - Updated: 7/1 - Published: 4/12
Life's Great Lie by FiveRivers reviews
A dome of green surrounded him and the boy, thrumming with magic the likes of which he had only seen once, in a tome thrice forbidden. "Oh," said Loki, almost purring. "You are interesting. What are you?"
Crossover - Danny Phantom & Avengers - Rated: T - English - Chapters: 16 - Words: 37,400 - Reviews: 137 - Favs: 358 - Follows: 428 - Updated: 6/30 - Published: 5/28/2021 - Danny F., Loki
A Legend of Multiverses & Beyond: Torn From My World by RickJonSnow reviews
Takes place after The Flash 2x23. In one reality, Barry created Flashpoint after the death of his father. In another, things took a drastic turn. Barry finds himself trapped in a completely different earth, ripped away from his loved ones and thrown into a constant battle for survival in a zombie apocalypse. Making friends and foes, old and new, can he survive? Or will he fail?
Crossover - Flash & Avengers - Rated: M - English - Sci-Fi/Angst - Chapters: 16 - Words: 51,937 - Reviews: 27 - Favs: 8 - Follows: 10 - Updated: 6/30 - Published: 4/8 - Barry A./The Flash, Captain America/Steve R., Iron Man/Tony S.
Parley Oneshots by Glittercat33 reviews
Peter/Harley oneshots, all original work. WARNING: SOME CHAPTERS WILL CONTAIN SMUT! **currently not accepting requests**
Crossover - Spider-Man & Avengers - Rated: M - English - Romance/Family - Chapters: 193 - Words: 235,721 - Reviews: 26 - Favs: 102 - Follows: 74 - Updated: 6/30 - Published: 6/4/2020 - [Peter P./Spider-Man, Harley K.]
Mim Potter Stark and Finding a Family by xJLCSAADFRNCx reviews
Mim Potter was about to her her world changed forever. Her Uncle Remus had spent the last few years searching for her biological father in hopes to get her away from the Dursley's and he found him Tony Stark. FemHarry, GirlHarry
Crossover - Harry Potter & Avengers - Rated: T - English - Family/Friendship - Chapters: 19 - Words: 32,243 - Reviews: 172 - Favs: 950 - Follows: 1,284 - Updated: 6/30 - Published: 7/31/2020
The Ninja of Avengers Academy by MLord17
The Avengers begin to train the next generation of heroes after the blimp. One in particular is named Akira, an orphan trying to learn what happened to his parents. Akira makes multiple enemies and friends along the way who help him uncover his past while he and his friends train to become the next Avengers.
Crossover - Justice League & Avengers - Rated: T - English - Chapters: 1 - Words: 1,631 - Published: 6/30 - OC
Marvelous Forge (Celestial Forge X Marvel) by sujtel reviews
Peacefully passing away after achieving his dream, a young man was given another chance with another life and something no other could have: the Celestial Forge. Watch as he stumbles into his new life with such a force backing him up!
Crossover - Anime X-overs & Avengers - Rated: M - English - Chapters: 8 - Words: 55,790 - Reviews: 51 - Favs: 373 - Follows: 467 - Updated: 6/30 - Published: 11/7/2022 - Iron Man/Tony S., OC, Wanda M./Scarlet Witch, Spider-Man/Peter Parker
The lieutenants' jealousy by valpolyto
AU. The two lieutenants at the station of the police precinct, Stephen Strange and Christine Palmer, are married. It doesn't keep them from wanting to sleep with a certain young woman who their superiors are in a relationship with. When they see the woman who they desire being thoroughly used on one of the other officers' desk? It's difficult for them not to be jealous.
Crossover - Avengers & 100 - Rated: M - English - Romance - Chapters: 1 - Words: 2,369 - Published: 6/30 - Black Widow/Natasha R., Dr. Strange/Stephen S., C. Palmer, Clarke G. - Complete
The Black Panther of Amphibia by Epiclot214 reviews
(Cover art by Framraw) When Anne opens a mysterious box, she and her friends, Sasha and Marcy, are transported to the world of Amphibia. However, they weren't alone. Their other friends, T'Challa, Erik, and Shuri, were dragged along for the ride. Trapped in this other world, Anne and T'Challa will have adventures with the Planter family while looking for a way home.
Crossover - Avengers & Amphibia - Rated: K+ - English - Adventure/Fantasy - Chapters: 13 - Words: 32,142 - Reviews: 111 - Favs: 97 - Follows: 86 - Updated: 6/30 - Published: 9/30/2021 - Black Panther/T'Challa, Anne, Sprig, Hop Pop
Two Worlds Collide by Frosted Dreams 1234 reviews
Emily Hayes never knew anything more than living on a Starship for the first four years of her life. But when the Kelvin is destroyed by the Romulans, her destiny is suddenly altered in unexpected ways. As she grows on Earth, so does her relationship with the people who surround her, and her choices lead to unexpected and positive consequences along the way. Read Full note inside.
Crossover - Star Trek: 2009 & Avengers - Rated: T - English - Romance/Drama - Chapters: 94 - Words: 416,355 - Reviews: 6 - Favs: 26 - Follows: 30 - Updated: 6/30 - Published: 1/29/2019 - [L. McCoy/Bones, OC]
Avenging Angel by Spike Trap
Before the destruction of Krypton, Jor-El and Lara had twin children, a son called Kal-El and a daughter called Kara Jor-El. In the hopes of saving their children, the couple placed them in a pair of small ships and sent them to Earth, along with their elder cousin, Kara Zor-El to protect them. However, Kara's ship is knocked off course and falls through a dimensional breach. Cras
Crossover - Avengers & Supergirl - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 2,286 - Favs: 8 - Follows: 8 - Published: 6/29 - Iron Man/Tony S., Nick F., Kara D./Supergirl
Time Heist: Infinity War by DreamTheWriter
It all started with an offer Peter could never refuse but going back in time it's never easy, nothing happens as it happened before and weird things are the last thing Peter Quill needs. But he made a choice and he has a purpose and it seems a man in love can truly change the universe. Thanos thought it was a weakness but Peter was about to show him how love can be a weapon.
Crossover - Avengers & Guardians of the Galaxy - Rated: K - English - Angst/Tragedy - Chapters: 4 - Words: 23,181 - Favs: 1 - Follows: 2 - Updated: 6/29 - Published: 6/24 - [Peter Quill/Star-Lord, Gamora] [Iron Man/Tony S., Pepper P.]
The Wars That Made Me by Freya Ishtar reviews
*AU* When Hermione meets dashing Bucky Barnes, she doesn't expect to hear he's best friends with her long-lost grandfather—or that he needs her help finding the man (who, of course, is likely in grave peril). During their search, she comes to understand why Gran never spoke of the man who won her heart. For some people, time stands still. Those they love are rarely so fortunate.
Crossover - Harry Potter & Avengers - Rated: M - English - Romance/Drama - Chapters: 4 - Words: 9,771 - Reviews: 179 - Favs: 475 - Follows: 856 - Updated: 6/29 - Published: 6/12/2018 - [Hermione G., Bucky Barnes/Winter Soldier] Falcon/ Sam W.
Cosmic Judgement by Imperias reviews
In a fateful night, marked by love and sacrifice, a story unlike any other began to unfold. Lily Potter, facing the death of her infant son Harry at the hands of Lord Voldemort, made an extraordinary plea that echoed across the cosmos, reaching the ears of three powerful cosmic entities - Death, Dormammu, and The Living Tribunal.
Crossover - Harry Potter & Avengers - Rated: K - English - Sci-Fi/Adventure - Chapters: 7 - Words: 54,783 - Reviews: 16 - Favs: 159 - Follows: 223 - Updated: 6/29 - Published: 6/12 - Harry P., Ron W., Hermione G.
Avengers: Infinite Wars by free man writer reviews
The Clone Wars are in full swing with the galaxy divided. The Jedi lead the clone army against the infinite droid army of the Separatists. Yet a wild card enters the fray. The Avengers. From there, newer, more sinister and deadlier threats emerge and The Galaxy, no, the universe, shall never be the same again. Phase 3. Co-written by Jebest4781 and BulletStormX
Crossover - Star Wars & Avengers - Rated: T - English - Adventure - Chapters: 103 - Words: 1,486,028 - Reviews: 4883 - Favs: 2,108 - Follows: 2,117 - Updated: 6/28 - Published: 12/4/2016 - Anakin Skywalker, Obi-Wan K., Captain America/Steve R., Spider-Man/Peter Parker
Avengers: The Fallen Angel by bj543511 reviews
Earth's Mightiest Heroes face their worst threat yet when Hell's overlords declare war on earth. With Lucifer Morningstar, the king of hell, dead, the Avengers in the surface world face an age where there is an absence of God and there are only the principalities of darkness. With younger heroes coming to the fray, they must learn to assemble as earth's mightiest defenders.
Crossover - Avengers & Helluva Boss - Rated: M - English - Tragedy/Adventure - Chapters: 20 - Words: 29,776 - Reviews: 22 - Favs: 8 - Follows: 9 - Updated: 6/28 - Published: 7/25/2022
O Único Caso Já Registado - Andando Entre Mundos by Ketilyn reviews
Continuação de O Único Caso Já Registrado. Uma história completa repleta de personagens novos de Grimm, Vingadores e outros venha e acompanhe essa história.
Crossover - Harry Potter & Avengers - Rated: M - Portuguese - Adventure/Romance - Chapters: 9 - Words: 31,328 - Reviews: 4 - Favs: 4 - Follows: 2 - Updated: 6/10 - Published: 4/8 - Hermione G., Loki
Marvel's Dragon Ball by M0b1uz reviews
MCU AU. Greetings, True Believers! I present to you a most unusual story: A story about the most amazing man you will ever see, his unending adventure that surrounds seven magical wishing orbs, his astonishing tales as a member of the Earth's Mightiest Heroes, and his unbelievable journey to becoming the most powerful being in the universe!(Goku in MCU Challange. Reviews welcome :)
Crossover - Dragon Ball Z & Avengers - Rated: T - English - Adventure/Fantasy - Chapters: 7 - Words: 37,078 - Reviews: 36 - Favs: 99 - Follows: 121 - Updated: 6/28 - Published: 2/18/2021 - Goku, Bulma, Black Widow/Natasha R., Iron Man/Tony S.
Possessive by SoaringHurricane
Funny, Natasha would never have imagined her being one to believe in true love. She had always considered those sorts of things children's stories. For the naïve. The foolish. But here she was. She was possessive. And Clarke was her heart. She wished to possess Clarke, yes, but Clarke already possessed her.
Crossover - Avengers & 100 - Rated: T - English - Romance - Chapters: 1 - Words: 3,307 - Published: 6/27 - Black Widow/Natasha R., Hawkeye/Clint B., Clarke G. - Complete
The Magical Avenger by Alicia Davis2 reviews
Just after the war Harry happens to meet Nick Fury and ends up recruited for SHIELD follow his adventure through everything
Crossover - Harry Potter & Avengers - Rated: T - English - Humor/Sci-Fi - Chapters: 3 - Words: 3,541 - Reviews: 5 - Favs: 35 - Follows: 47 - Updated: 6/27 - Published: 6/24 - Harry P., Black Widow/Natasha R., Nick F.
The comfort of chains by SoaringHurricane
It was funny, Clarke Griffin would never let anyone else cage her. Not the Mountain Men. Not the tribes. Not the Ark people. No one. Except for her. Except for Natasha Romanoff. She was the only one who Clarke yearned to be caged by.
Crossover - Avengers & 100 - Rated: M - English - Romance - Chapters: 1 - Words: 4,981 - Favs: 1 - Published: 6/27 - Black Widow/Natasha R., Agent Maria Hill, Yelena B., Clarke G. - Complete
Absolute Control by Svneighter reviews
When regret creates a void in one's heart, it takes some time to fill it through warmth and belongingness. Hopefully Ben would find his home this time around. Op Ben. Love interest: Natasha Romanoff. No Harem. Maybe Lemons. Mostly Avengers and major canon movies would be followed. Enjoy
Crossover - Ben 10 & Avengers - Rated: M - English - Romance/Hurt/Comfort - Chapters: 2 - Words: 5,956 - Reviews: 6 - Favs: 39 - Follows: 43 - Updated: 6/27 - Published: 6/12 - Ben T., Black Widow/Natasha R.
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