Ben 10 and My Hero Academia/僕のヒーローアカデミア Crossovers
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My Alien Hero: Izuku 10 by zerobound
Everyone knows Izuku Midoriya when he got his Quirk One For All from All Might to become the greatest hero. In this one, he returns that special Quirk and he is now the wield of the Omnitrix. Rate T later M
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 2,646 - Favs: 13 - Follows: 13 - Updated: 5h - Published: 10/8 - Azmuth, Izuku M., 1-A Students
We'll Carry On: An Ochako Omnitrix Story - Volume 1 by Transwiththeplans reviews
Ochako Uraraka finds herself unexpectedly taking on the mantle of the Omnitrix wielder from Ben Tennyson. As Ochako begins to explore the capabilities of the Omnitrix, she must also navigate the complex relationships and alliances, all while facing off against increasingly powerful enemies. Art by @gayartistsuzzan on Twitter!
Rated: T - English - Adventure/Humor - Chapters: 66 - Words: 388,399 - Reviews: 125 - Favs: 131 - Follows: 125 - Updated: 12h - Published: 12/31/2022 - [Ochako U., Izuku M.] Ben T., Tenya I.
Ben 10: Hero Force by DBZpower197 reviews
It had now been 3 years since Ben took a chance at a normal life. However, history had a tendency to repeat and life had a tendency to be unfair. With the news of someone person putting in a good word for him at UA, Ben would once again don the Omnitrix and face the challenges ahead all the while having one question in mind: "Could he meet the legacy of that watch once again?"
Rated: T - English - Adventure/Sci-Fi - Chapters: 32 - Words: 351,715 - Reviews: 598 - Favs: 777 - Follows: 874 - Updated: 9/15 - Published: 4/19/2021 - Ben T., Izuku M., Momo Y., 1-A Students
BEN 10 y BNHA -La Estrella de UA- by cosmos.custos reviews
El destino haberle negado su sueño, un pequeño ser extiende su mano en aquella chica la cual sería la balanza que mantendría al mundo en equilibrio con su ahora poder aferrado a su brazo izquierdo. Explorando su viaje desde el primer día que se le dio el Omnitrix hasta el final donde se mantendría en pie como la última esperanza.
Rated: T - Spanish - Sci-Fi/Adventure - Chapters: 10 - Words: 79,735 - Reviews: 5 - Favs: 5 - Follows: 7 - Updated: 10/11 - Published: 4/7 - Azmuth, Ship, 1-B Students, Melissa S.
Izuku Wielder of the Omnitrix by skorge73 reviews
What if Izuku received the power of the Omnitrix instead of One for All Rated M for possible mature themes
Rated: M - English - Romance/Adventure - Chapters: 3 - Words: 4,359 - Reviews: 2 - Favs: 13 - Follows: 18 - Updated: 10/9 - Published: 10/1 - [Izuku M., Setsuna T.]
DNA- Up For Adoption by SpringBonnie313 reviews
What if Izuku had hyper-intelligence? What if he knew how to manipulate the gene pool? What happened to Inko? How does Penny play into this?
Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 4,850 - Reviews: 5 - Favs: 25 - Follows: 30 - Updated: 10/9 - Published: 7/11/2021 - [Izuku M., Kyoka Jiro] Vilgax, Zs’Skayr
Rising Voltage by Phaze Part 2 reviews
They were just legends. Legends of a device that could allow one to transform into anyone. But they were just that. Legends. Fables told to children before bed. So, what would happen if that device appeared in the hands of a human who struggled with grades and with his quirk? Well, that would be the story of Denki Kaminari.
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 13,298 - Reviews: 4 - Favs: 6 - Follows: 8 - Published: 10/8 - Eijiro Kirishima, Hanta S., Denki K.
The Alien Hero: Deku 10 by Pixel's Fanbook reviews
It started when an alien device did what it did. Izuku Midoriya found a strange device on the beach one night after training when the device jumps onto his wrist. It grains him abilities from beings from other worlds. Watch him as he and his friends go through their adventures on Earth and Space in: The Alien Hero: Deku 10
Rated: M - English - Adventure/Sci-Fi - Chapters: 59 - Words: 607,369 - Reviews: 966 - Favs: 1,265 - Follows: 1,261 - Updated: 10/6 - Published: 1/25/2020 - Lucy M., Izuku M., Ochako U., Momo Y.
Heroes Never Die It's Hero Time, Anytime by Guardian-Sigil reviews
This is a side-story that is connected to my actual story "Heroes Never Die; It's Hero Time" where Izuku has the Omnitrix. So reading the main story is necessary to understand this collection of Omakes/OVAs. I aim to post an Omake/OVA every Friday when I am unable to post a chapter for the main story. Full summary, explanation, and guid lines for suggestions are inside.
Rated: T - English - Adventure/Humor - Chapters: 50 - Words: 134,747 - Reviews: 455 - Favs: 212 - Follows: 207 - Updated: 10/6 - Published: 8/11/2021 - Izuku M., Ochako U., 1-A Students
Izuku the Methanosian by WraithPlague049 reviews
Izuku Midoriya a quirkless kid is a alien known as a Methanosian.
Rated: T - English - Romance/Adventure - Chapters: 4 - Words: 2,471 - Reviews: 5 - Favs: 12 - Follows: 13 - Updated: 10/3 - Published: 6/29
Lost in a World of Heroes by DMDSKLL reviews
After a grave defeat, Ben loses hope in being a hero but after some unexpected circumstances, the wielder of the Omnitrix is transported to a world filled to the brim with heroes. Having to adjust to not only a new country but also going to school to be a hero Ben has plenty of challenges ahead.
Rated: T - English - Sci-Fi - Chapters: 22 - Words: 75,635 - Reviews: 104 - Favs: 261 - Follows: 277 - Updated: 10/1 - Published: 6/7/2022 - Ben T., Shouta A./Eraserhead, Mina A., 1-A Students
My Alien Academia by The Incredible Muffin reviews
Some worthy souls are chosen to carry the mantle of great heroes. Sometimes, this is destiny. Other times, it's all about being in the right universe, at the right time, chosen by the right watch.
Rated: T - English - Adventure/Friendship - Chapters: 56 - Words: 514,899 - Reviews: 1759 - Favs: 2,586 - Follows: 2,640 - Updated: 9/25 - Published: 11/26/2019 - Ben T., Izuku M.
The Slimebiote Hero: Skurd by NitroThunder224 reviews
Bakugo Katsuki, the boy known as being the one who'll make it to U.A, gets knocked down a few pegs when he realizes that he isn't always going to be the strongest; by himself, that is. Midoriya Izuku, abandoned by all, used by all; all because of his quirk. Having no home and no hope, he meets the blonde. What starts off as a one-sided relationship soon blossoms to something more.
Rated: T - English - Hurt/Comfort/Mystery - Chapters: 7 - Words: 18,526 - Reviews: 4 - Favs: 20 - Follows: 28 - Updated: 9/21 - Published: 1/21 - Izuku M., Toshinori Y./All Might, Katsuki B., Mitsuki B.
The Alien Hero by ninjastorm95 reviews
When the destroyed Omnitrix falls into the ocean to repair itself, one boy is destined to be the world's greatest hero. On this planet and more!
Rated: M - English - Adventure/Sci-Fi - Chapters: 10 - Words: 71,713 - Reviews: 75 - Favs: 221 - Follows: 265 - Updated: 9/14 - Published: 11/9/2020
Displaced by HalfmoonSilver80
Honestly, I should've been saner and had not come anywhere close to that pod when it crashes in our yard. NOW LOOK AT WHAT LED ME? Freaking stranded in AU where comic book heroes are REAL! - or - A dude got space-time yeeted to the DC universe with a glitchy level-20 tech bind to his wrist.
Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 2,885 - Favs: 6 - Follows: 7 - Published: 9/10
Heroes Never Die It's Hero Time by Guardian-Sigil reviews
One would think that in a world where everyday people possess impossible abilities nothing would really be a surprise. Izuku Midoriya, who upon the age of four was diagnosed as quirkless, was denied of his dream of become a hero that can save everyone with a smile. But fate gives him a chance; allowing him access not to one but a universe of powers and abilities.
Rated: T - English - Adventure/Sci-Fi - Chapters: 86 - Words: 1,757,868 - Reviews: 4629 - Favs: 2,078 - Follows: 2,047 - Updated: 9/8 - Published: 11/26/2019 - Kevin, Izuku M., Ochako U., 1-A Students
My alien academia vol 1 by Wolfdrake29 reviews
while training to get into UA Izuku came across the Omnitrix and his world gotten a lot bigger and now he has to master both the watch and one for all to become a hero like his idol All might but can he make the cut? find out. Izuku/harem mixing with some DC characters and a few other surprises and a bit dark toned. (On hold)
Rated: M - English - Adventure/Sci-Fi - Chapters: 17 - Words: 72,239 - Reviews: 83 - Favs: 228 - Follows: 261 - Updated: 8/30 - Published: 2/2/2021 - Lucy M., Izuku M., Ochako U., Momo Y.
Tutors of the Academia by Shinobi360 reviews
Ben,Gwen, Kevin and Rook were originally on the verge of a road trip to enjoy a well deserved rest. Their plans got interrupted as they were contacted by the principal of U.A High,who requested their help to teach Class 1-A what it means to be heroes.
Rated: T - English - Adventure/Friendship - Chapters: 7 - Words: 70,571 - Reviews: 177 - Favs: 327 - Follows: 368 - Updated: 8/24 - Published: 1/11/2020 - [Ben T., Melissa S.] 1-A Students
Ben 10: Quirks and Aliens, Finest Heroes by TubularWishes reviews
Ben 10's fame is recognized all across the world, second only to All Might himself, but after his Grandpa Max brings him to Japan for an "undercover mission," Ben learns that Max wants him to attend U.A. High School so he can learn how to work better with others—and gain a hero license. But no matter what comes his way in Japan, Ben is sure to overcome any trouble! It's Hero Time!
Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 9,001 - Reviews: 20 - Favs: 58 - Follows: 80 - Published: 8/19 - Ben T., Max T., Toshinori Y./All Might, 1-A Students
Ten Times The Hero by Hornets88 reviews
Izuku Midoriya is about to give up on his dreams of heroism when a teenager clad in a green jacket and a man claiming to be a professor break into his room in broad daylight. Ben Tennyson and Professor Paradox have travelled to the My Hero universe in order to find a worthy successor to wield the Omnitrix once Ben passes... and they firmly believe Izuku is worthy to inherit it.
Rated: T - English - Sci-Fi/Adventure - Chapters: 22 - Words: 202,605 - Reviews: 152 - Favs: 450 - Follows: 547 - Updated: 8/16 - Published: 9/28/2021 - [Izuku M., Kyoka Jiro] Toshinori Y./All Might, 1-A Students
My Hero Academia: Rising Alliance by Super Saiyan 4 Rukido reviews
Earth as we know it today felt like they could expect anything. They had Heroes with powerful Quirks, technology that benefited them greatly and a society that wouldn't crumble to pieces easily. What's there to worry about? How about Villians hellbent on world domination, a few secret organizations and Aliens from Space? Lucky for the Earth it has it's own protectors just for them!
Rated: T - English - Adventure - Chapters: 31 - Words: 215,948 - Reviews: 148 - Favs: 188 - Follows: 197 - Updated: 8/9 - Published: 5/23/2021 - OC, Ship, 1-A Students
An Alien Force by Prince J Rool
There were aliens among us, they came in all different shapes and sizes. Some were massive with limbs made of grotesque tentacles, while others looked like living gems. When I was a girl I wanted to explore the unknown, wanted to reach out and someday float high enough until I broke past the limit that was sky high. But I never needed to… Because the unknown had come to Earth.
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 7,370 - Favs: 14 - Follows: 16 - Published: 8/6 - Izuku M., Ochako U., Katsuki B.
Master Control by B1ack0ut reviews
Ben was given the master control to defend earth from invasion, but Azmuth soon saw it was a losing battle. The omnitrix was sent to a separate dimension to keep it from the wrong hands. Now, Izuku Midoriya is the bearer of the watch with the master control still unlocked. Now he uses its powers to help as many people as he can but doesn't know of the main function, transformation.
Rated: T - English - Sci-Fi/Friendship - Chapters: 75 - Words: 496,325 - Reviews: 2088 - Favs: 1,682 - Follows: 1,800 - Updated: 8/4 - Published: 1/27/2021 - Izuku M., Eijiro Kirishima, Mina A., Pony T. - Complete
Reborn In A World Full Of Heroes by SHplayer reviews
An ordinary man named Simon, who has unfortunately died by an accident, but he got reincarnated by a unknown British man, and he has given Simon a mission to save a world full of heroes of villains not originally from this world.
Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 4,870 - Reviews: 1 - Favs: 18 - Follows: 22 - Published: 8/3 - Prof. Paradox, 1-A Students, 1-B Students, All For One
Izu-10 by Searchsnake00103 reviews
When a powerful device called the Omnitrix clamps itself onto Izuku midoryia, he must learn to use his powers to help him on his journey of becoming a hero. Will he be able to make it to U.A, or will he fall to an evil warlord bent on universal conquest?
Rated: T - English - Adventure - Chapters: 9 - Words: 189,392 - Reviews: 120 - Favs: 314 - Follows: 326 - Updated: 8/2 - Published: 7/2/2019 - [Izuku M., Himiko Toga] Vilgax, Inko M.
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