Ben 10 and My Hero Academia/僕のヒーローアカデミア Crossovers
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We'll Carry On: A Gemstones x My Hero Academia Story by Transwiththeplans reviews
Ochako Uraraka, a young hero in training from UA High School, 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: 22 - Words: 148,340 - Reviews: 38 - Favs: 76 - Follows: 71 - Updated: 4h - Published: 12/31/2022 - [Ochako U., Izuku M.] Ben T., Tenya I.
Ben 10: Heroverse by RedVitBR reviews
What would happen if the greatest hero in the universe... was stuck in a world of heroes just as amazing as him? Follow the story of the new Alien Hero. Watch him make a great many friends! And just as many enemies. Only time will truly tell how both universes will be shaped by the arrival and absence of this teen hero.
Rated: T - English - Adventure - Chapters: 2 - Words: 11,330 - Reviews: 17 - Favs: 33 - Follows: 36 - Updated: 3/30 - Published: 3/23 - Ben T., Gwen T., Izuku M., Toshinori Y./All Might
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: 55 - Words: 361,151 - Reviews: 1656 - Favs: 1,426 - Follows: 1,606 - Updated: 3/30 - Published: 1/27/2021 - Izuku M., Eijiro Kirishima, Mina A., Pony T.
Alien Force: Omnitrix Rising by Sonnie Celanna reviews
How do you stand up against an entire world, when even as a million faces your just one person? That's a question Izuku Midoriya needs to answer, confronted with the dark side of the world he lives in. How did he find out about the dark side of this world, though? Well... It started when an alien device did what it did, and stuck itself upon his wrist with the secrets that it hid.
Rated: T - English - Chapters: 5 - Words: 23,633 - Reviews: 15 - Favs: 95 - Follows: 107 - Updated: 3/29 - Published: 2/23 - [Izuku M., Ester, Momo Y.] Vilgax
IZUKU 10 by Comments sensfic reviews
It started when an alien device did what it did and attached itself upon his wrist. With unknown secrets hidden inside of it, young Izuku Midoriya starts his journey as typical ten year old with an alien watch that transforms him into 10 aliens. Beware bad guys his fighting evil from earth and space. Because his Izuku 10
Rated: M - English - Sci-Fi/Adventure - Chapters: 9 - Words: 146,015 - Reviews: 26 - Favs: 68 - Follows: 77 - Updated: 3/29 - Published: 7/31/2022 - [Izuku M., Katsuki B.] Vilgax, OC
Omni Hero-Deku by blazeninja0 reviews
His goal in life was to be a hero and along with the gifts that he has gained, he will be one. Mini extra crossovers with the story. Izuku x Hearm Abandoned.
Rated: M - English - Humor/Adventure - Chapters: 11 - Words: 90,616 - Reviews: 15 - Favs: 178 - Follows: 181 - Updated: 3/27 - Published: 12/2/2021 - [Izuku M., Nemuri K./Midnight, Momo Y., Ochako U.] - Complete
My Ben 10 Academia (Reboot) by Jerry Ruffin reviews
It was a peaceful day for Ben Tennyson until he was sent to the world of My Hero Academia full of heroes and villains. So he enrolled at U.A. High, the number one Hero School in the world and make many new friends, possibly some girls. Many new challenges will be a head of Ben and his new friends as they have GO BEYOND! PLUS ULTRA!
Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 11,840 - Reviews: 12 - Favs: 24 - Follows: 35 - Updated: 3/26 - Published: 3/7 - Ben T., Izuku M., 1-A Students, Melissa S.
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: 46 - Words: 108,143 - Reviews: 420 - Favs: 181 - Follows: 180 - Updated: 3/24 - Published: 8/11/2021 - Izuku M., Ochako U., 1-A Students
Izuku's Omnitrix by chloedi reviews
When Ben dies, the omnitrix finds itself a new host in the form of 14-year-old Izuku Midoriya. Will Izuku rise to the challenge, or will it all fall apart?
Rated: T - English - Adventure/Sci-Fi - Chapters: 17 - Words: 20,249 - Reviews: 10 - Favs: 68 - Follows: 74 - Updated: 3/20 - Published: 6/27/2022 - Izuku M., Ochako U., Kyoka Jiro, Eijiro Kirishima
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: 55 - Words: 485,287 - Reviews: 783 - Favs: 1,093 - Follows: 1,095 - Updated: 3/17 - Published: 1/25/2020 - Lucy M., Izuku M., Ochako U., Momo Y.
My Hero Academia: Aliens in Hero Central: Vol 1 by CreepyKidInDaCorna reviews
In an alternate world where Ben defeats the Diagon but is then blown out of his timeline and into the MHA timeline, Paradox has given him some advice and something new as well but now Ben is on his own in a strange world where heroes don't need secret identities. Rated T cause Bakugo
Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 18,289 - Reviews: 30 - Favs: 110 - Follows: 133 - Updated: 3/13 - Published: 9/25/2021 - Ben T., 1-A Students, 1-B Students, Pony T.
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: 15 - Words: 46,199 - Reviews: 60 - Favs: 175 - Follows: 191 - Updated: 3/11 - Published: 6/7/2022 - Ben T., Shouta A./Eraserhead, Mina A., 1-A Students
Ben 10: Hero Revolution by Shinobi360 reviews
He couldn't stop Aggregor from escaping the Null Void, nor could he stop the both of them from being sent to another Earth. Now, Ben must team up with a set of aspiring young heroes in order to stop the rogue Osmosian's quest for power. But unbeknownst to him,a greater evil in the form of All for One will stand in his way along with a now desperate Eon trying to revive his race.
Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 7,154 - Reviews: 9 - Favs: 25 - Follows: 34 - Published: 3/10 - Ben T., Izuku M., Ochako U., 1-A Students
The Ultimate hero by SolVantage reviews
A random dude gets isekai'd into mha with the ultimatrix this is my first fanfic so please keep that in mind while reading
Rated: T - English - Sci-Fi/Drama - Chapters: 4 - Words: 2,469 - Reviews: 8 - Favs: 3 - Follows: 4 - Updated: 3/7 - Published: 3/5
Trial, by Aliens by Starcast99 reviews
Ben Tennyson an average quirkless boy was not seen by many around him to have the "heart of a hero", well he both knew and thought different, now he's ready to show everyone that if you mess with Ben you get the 10
Rated: T - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 9,988 - Reviews: 7 - Favs: 13 - Follows: 13 - Updated: 3/6 - Published: 3/5 - Ben T., Mina A.
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: 8 - Words: 56,354 - Reviews: 62 - Favs: 187 - Follows: 232 - Updated: 3/5 - Published: 11/9/2020
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: 5 - Words: 14,146 - Reviews: 2 - Favs: 13 - Follows: 22 - Updated: 2/24 - Published: 1/21 - Izuku M., Toshinori Y./All Might, Katsuki B., Mitsuki B.
My Ben 10 Academia by Jerry Ruffin reviews
Ben Tennyson gets sent to the world of My Hero Academia. Where is a world full of heroes and not everyone can be a hero. He enrolled in U.A High the number one hero school in the world. Many challenges will be ahead of him. He have to Go BEYOND! PLUS ULTRA! BenxHarem. (Discontinued).
Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 22,901 - Reviews: 23 - Favs: 77 - Follows: 83 - Updated: 2/23 - Published: 11/2/2022 - Ben T., Izuku M., 1-A Students, Melissa S. - Complete
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: 50 - Words: 457,637 - Reviews: 1617 - Favs: 2,417 - Follows: 2,489 - Updated: 2/17 - Published: 11/26/2019 - Ben T., Izuku M.
Quirks and Aliens: Finest Heroes by TubularWishes reviews
It's been four years since Ben Tennyson last put on the Omnitrix. During this period, his interest in heroics grew as he worked harder than ever to pursue it at U.A. High School. However, with the sudden disappearance of Grandpa Max, Ben is forced to don the watch once more, protecting the planet against any extraterrestrial threats all while attempting to pursue an education!
Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 28,406 - Reviews: 23 - Favs: 42 - Follows: 57 - Updated: 2/4 - Published: 1/30
Ben Tennyson: The Hero of Heroes by DatFrame reviews
An American exchange student has moved to Japan to reach his dream of becoming a hero. To reach this goal, he will enter the greatest hero academy the world has ever known: "U.A. High." He will reach his goal, no matter what stands in his way. Doesn't matter if they have tentacles, armor, or the power to destroy whatever they touch, they can't stop him from becoming a hero!
Rated: T - English - Supernatural/Sci-Fi - Chapters: 13 - Words: 115,660 - Reviews: 96 - Favs: 206 - Follows: 218 - Updated: 1/31 - Published: 11/16/2021 - Ben T., Izuku M., 1-A Students
Ben 10: Out Of The Spotlight by waterboy3 reviews
After getting in a fight with an old enemy Ben Tennyson wakes up in a world where everyone has superpower and no one seems to remember him, how will he cope with his new lot in life and how will he cope with everyone he knew living on without him.
Rated: T - English - Supernatural/Sci-Fi - Chapters: 5 - Words: 17,177 - Reviews: 34 - Favs: 84 - Follows: 102 - Updated: 1/30 - Published: 7/22/2021 - Ben T., Izuku M., Toshinori Y./All Might, Katsuki B.
My Hero Academia: Hero Time by HEROwriter1 reviews
When he was 10, Izuku Midoriya has found the alien watch known as the Omnitrix. Ever since then, he has used the watch to become a vigilante and to save people with a smile on his face. When his secret is revealed, his life and the world will never be the same. Cover image not mine. Cross posted on AO3.
Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 54,783 - Reviews: 148 - Favs: 315 - Follows: 315 - Updated: 1/27 - Published: 8/30/2019 - [Izuku M., Ochako U.]
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: 81 - Words: 1,612,084 - Reviews: 4295 - Favs: 1,879 - Follows: 1,856 - Updated: 1/27 - Published: 11/26/2019 - Kevin, Izuku M., Ochako U., 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: 29 - Words: 202,926 - Reviews: 142 - Favs: 163 - Follows: 175 - Updated: 1/25 - Published: 5/23/2021 - OC, Ship, 1-A Students
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