Ben 10 Crossovers
Filters
2.5K | Page 1 2 3 4 11 .. Last Next »

Guardian Digimon Book 1 Guardian of the Sea Remade by Redwallfan2000 reviews
When several evil organizations start disappearing and being quiet, Sailor Sun makes the risky choice choosing six heroes on Earth to prevent an evil Digimon's return by searching out the four special Mega Level Digimon known as Guardian Digimon. The Guardian Seekers begin their mission by searching for the first Guardain of the Sea.
Crossover - Digimon & Ben 10 - Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 11,700 - Reviews: 2 - Favs: 6 - Follows: 6 - Updated: 1h - Published: 12/7
Omni Hero: Deku X by blazeninja0 reviews
When Izuku was on a road trip with his grandfather and his two cousins he he found a watch that gave him powers. Izuku X Harem A Rewrite of my original Omni Hero Deku
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 27,213 - Reviews: 7 - Favs: 53 - Follows: 62 - Updated: 3h - Published: 11/26 - Izuku M.
Ben 10: Rising of the Shield Hero by Chris Chronos reviews
In a twist of fate, Ben Tennyson, the powerful Omnitrix wielder from Dimension 2041, has been summoned as the Devil of the Shield to a fantasy world beyond the boundaries of the multiverse. Follow his heroic tale as he battles to protect those around him and shape the destinies of all those he encounters. (Set after the events of the Omniverse episode - "New Dawn")
Crossover - Ben 10 & Rising of the Shield Hero/盾の勇者の成り上がり - Rated: T - English - Adventure/Fantasy - Chapters: 32 - Words: 232,304 - Reviews: 191 - Favs: 343 - Follows: 371 - Updated: 10h - Published: 1/21/2022 - Ben T., OC, Firo, Melty
A Weird Watch In Gotham by Syncrosoul reviews
Ben Tennyson ended in the crime riddled city of Gotham. The only thing stopping Gotham from collapsing is the Dark Knight and his family. Both are heroes with differing ideologies. So what could possibly go wrong when the most paranoid man meets the most powerfull teenager?
Crossover - Batman & Ben 10 - Rated: T - English - Chapters: 2 - Words: 9,430 - Reviews: 10 - Favs: 40 - Follows: 46 - Updated: 10h - Published: 8/16 - Bruce W./Batman, Damian W./Robin, Ben T., Prof. Paradox
Jen 10: alien of Fairy Tail by Fishcake10 reviews
Jen 10 has fallen into a wacky world of magic and mayhem but luckily the Fairy Tail guild will be her home for now Fem Ben fic because why not
Crossover - Ben 10 & Fairy Tail - Rated: T - English - Adventure/Humor - Chapters: 6 - Words: 9,721 - Reviews: 5 - Favs: 24 - Follows: 20 - Updated: 21h - Published: 3/18 - Ben T., Erza S., Lucy H., Natsu D.
Priestess 10 - Destroy All Aliens by SilverSoulmmc reviews
Almost two months after the summer vacation of a lifetime ended, Ben and the others have returned to their normal lives. However, when the Omnitrix seems to be going haywire again, Ben finds himself thrown into yet another problem: One that threatens to destroy both his home and everyone he loves.
Crossover - Ben 10 & Persona Series - Rated: T - English - Family/Adventure - Chapters: 5 - Words: 19,894 - Reviews: 30 - Favs: 41 - Follows: 33 - Updated: 12/17 - Published: 10/15 - Ben T., Gwen T., Max T., Yukiko A.
Death city's Red Beast and Blue undead souls by Artzilla406
a red soul, dwells in a loud mind, and a insane body, a blue soul, Dwells in a reanimated mind, and a dead body, join Zack and koan as they venture into Death City and face agents the kishens, evil witches and the madness that comes with it.
Crossover - Ben 10 & Soul Eater - Rated: M - English - Fantasy/Supernatural - Chapters: 5 - Words: 51,911 - Favs: 6 - Follows: 6 - Updated: 12/16 - Published: 11/28
Ben 10 Omniverse and Irken Outcast by parzival2.0
List of new episodes between canon and a few big differences(Invader Zim Irkenoutcast and Ben 10 Omniverse)
Crossover - Invader Zim & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 6,174 - Favs: 1 - Follows: 1 - Updated: 12/16 - Published: 7/16
Gamer In A Bottle by Infinitrix reviews
Well damn i guess im stuck in this dark void im getting reincarnated as a WHAT? Featuring a gamer that wants to fuck shit up and that is a genie stuck in a bottle (for now) Rub this Story a bit and see whats inside
Crossover - Ben 10 & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Humor - Chapters: 1 - Words: 612 - Reviews: 7 - Favs: 18 - Follows: 39 - Published: 12/16
The Osmosian in Marvel by Degenerate King reviews
Kevin Levin finds himself in the Marvel Universe. It was a matter of time till he figured his way through things and adapt himself. Join him as he makes his way through a world of enhanced beings. Why do they call him a mutant though? What does it even mean? I own nothing. All belong to their respective owners.
Crossover - Ben 10 & Marvel - Rated: M - English - Sci-Fi - Chapters: 7 - Words: 12,801 - Reviews: 4 - Favs: 38 - Follows: 39 - Updated: 12/15 - Published: 11/10 - Kevin, F. Hardy/Black Cat, Apocalypse, Nick Fury
New Threat, New Lanterns by Redbat132 reviews
When mysterious white energy hits different parts of the galaxy, things get out of control in a few of the main Lantern home planets. Will the Lantern team figure out how to solve this in time? Collaborated with Alvaxerox.
Crossover - Ben 10 & Green Lantern: The Animated Series - Rated: T - English - Sci-Fi/Hurt/Comfort - Chapters: 11 - Words: 29,759 - Reviews: 25 - Favs: 7 - Follows: 7 - Updated: 12/15 - Published: 2/12 - Max T., No Watch Ben, Hal J., OC - Complete
Jade 10 by Inkaliber reviews
Ben was honestly shocked when his mind was seemingly sent back in time. He was just getting used to the super-powered device known as the Omnitrix. With that fateful moment soon approaching, however, nothing could stop him from being the greatest hero ever!... Except the strange girl replacing his cousin.
Crossover - Jackie Chan Adventures & Ben 10 - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 77,955 - Reviews: 25 - Favs: 38 - Follows: 33 - Updated: 12/15 - Published: 4/11/2021 - [Jade C., Ben T.] Kevin, Max T.
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?"
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 35 - Words: 409,665 - Reviews: 636 - Favs: 825 - Follows: 920 - Updated: 12/15 - Published: 4/19/2021 - Ben T., Izuku M., Momo Y., 1-A Students
Ben 10 x RWBY: Of Gemstones and Watches by Transwiththeplans reviews
Ben Tennyson meets Ruby Rose during his summer break, and picks up both the Omnitrix and a thrill for action. Along the way, Ben discovers new alien forms, develops new techniques to use in battle, and a blossoming romance, while also forging close bonds with his new friends. But can he and his friends handle being thrust into a conflict between good and evil? (Cover by elmike)
Crossover - Ben 10 & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 162 - Words: 1,245,261 - Reviews: 498 - Favs: 642 - Follows: 620 - Updated: 12/15 - Published: 12/26/2018 - [Ben T., Ruby R.] OC
Ben 10 RWBY Volume 2: Ultimate Omniverse by The Omni-Remnant reviews
Having returned from a massive adventure in the world of Remnant, Ben, Team RWBY, and the rest of their friends find themselves faced with new challenges at every turn on Earth. Be it villains old and new… or even things that they never imagined to be real. It's going to be a challenge unlike any they've seen before, but they're up for it. It's Hero Time! (Cover Art credit inside)
Crossover - Ben 10 & RWBY - Rated: T - English - Adventure/Romance - Chapters: 82 - Words: 1,154,720 - Reviews: 1624 - Favs: 673 - Follows: 636 - Updated: 12/15 - Published: 4/4/2021 - [Ben T., Yang X.L.] Gwen T., Ruby R.
The Unidentified Lifeform by Chris Chronos reviews
A Comedy/action crossover story featuring Ben Tennyson as an underground hero in Saitama's world. Comedic events happen around our protagonist as he struggles to mind his own business and achieve peace and quiet. Following his own ideals, will he be able to pull it off as a hero, too?
Crossover - Ben 10 & One Punch Man/ワンパンマン - Rated: T - English - Humor/Sci-Fi - Chapters: 15 - Words: 144,791 - Reviews: 70 - Favs: 66 - Follows: 74 - Updated: 12/14 - Published: 6/18/2022 - Ben T., Genos, OC
A Lost Hero's Fairytale by Ultimate10 reviews
Ben Tennyson has awakened in the magical world of Earthland with amnesia, no memory outside of his name. Follow our lost hero as he travels across Fiore, making new friends and enemies, catching the interest of certain people, and rediscovering who he truly is. {AU}{Ben x Harem}{No nerfing!}{The Ink Tank power rankings}
Crossover - Ben 10 & Fairy Tail - Rated: M - English - Fantasy/Romance - Chapters: 11 - Words: 124,061 - Reviews: 344 - Favs: 549 - Follows: 622 - Updated: 12/13 - Published: 2/18 - [Ben T., Lucy H., Juvia L., Erza S.]
Humanity and Heroes by Katariina Mariad reviews
Omniverse/Tamers; sequel to Heroes and Humanity. A little galvan named Albedo is back, and he has a couple of problems: Ben Tennyson is trying to kill him, no one will let him leave this silly planet to get away from him, and everyone in Japan is angry with him. Why did Fridge, Swamps and Hugh think moving him back to West Shinjuku was a good idea?
Crossover - Digimon & Ben 10 - Rated: M - English - Horror/Hurt/Comfort - Chapters: 111 - Words: 238,724 - Reviews: 1 - Favs: 9 - Follows: 8 - Updated: 12/13 - Published: 1/5/2022 - Jenrya L./Henry W., Albedo
Journey Of Ben Tennyson by Sharky Monster reviews
A simple Tragedy Turn The Story Of Our Hero, A Normal Discovery Turn Into Even The Biggest Mystery. This Is My Fanfiction I'm writing the story and it will be completed soon. Basic Theme Is Ben Tennyson Travelling The Marvel Multiverse. And This Is the Season 1. I also posted this Story on the Webnovel, by doing a minor change renamed the MC as Sharky Tennyson.
Crossover - Ben 10 & Marvel - Rated: T - English - Mystery/Sci-Fi - Chapters: 96 - Words: 404,160 - Reviews: 52 - Favs: 39 - Follows: 38 - Updated: 12/13 - Published: 10/13 - Ben T.
The Mandalorian: The Chronicles of Lun 10-Original Series by Vgn Golley reviews
Luna Loss was your average little girl until one day she was kidnapped by an alien warlord after obtaining a watch-like device that allows her to transform into aliens. After escaping into space for about two years, Luna had lost all hope of going back home...but maybe a certain Mandalorian and an alien baby Jedi could help her return to Earth? Rated M-language violence and blood.
Crossover - Ben 10 & Mandalorian - Rated: M - English - Sci-Fi/Adventure - Chapters: 36 - Words: 876,795 - Reviews: 141 - Favs: 112 - Follows: 96 - Updated: 12/12 - Published: 12/23/2020 - OC, The Mandalorian/Din Djarin, The Child/baby yoda
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
Crossover - My Hero Academia/僕のヒーローアカデミア & Ben 10 - Rated: M - English - Adventure/Sci-Fi - Chapters: 62 - Words: 662,025 - Reviews: 1023 - Favs: 1,311 - Follows: 1,318 - Updated: 12/12 - Published: 1/25/2020 - Lucy M., Izuku M., Ochako U., Momo Y.
Korea's Omnitrix Wielder by ultra kurama reviews
Nathaniel Smith was your average teenager who also happened to be a fan of the Ben10 series. Now, armed with an Omnitrix of his own, he and his friends are going to go adventure after adventure in search of establishing peace.
Crossover - Ben 10 & Manhwa/Korean Comics/만화 - Rated: M - English - Supernatural/Adventure - Chapters: 5 - Words: 7,980 - Reviews: 13 - Favs: 33 - Follows: 34 - Updated: 12/12 - Published: 6/5 - OC
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.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Friendship - Chapters: 58 - Words: 533,478 - Reviews: 1811 - Favs: 2,638 - Follows: 2,688 - Updated: 12/12 - Published: 11/26/2019 - Ben T., Izuku M.
Ben 10: Evolution by Julian 10 reviews
Ben 10, the universes greatest hero has just lost his family, now he is suddenly transported into another universe full of super-powered people called mutants. What new adventures wait for him in this new universe, will he ever find love and family again, and does he have what it takes to be an X-man? Find out in Ben 10: Evolution
Crossover - X-Men: Evolution & Ben 10 - Rated: M - English - Chapters: 2 - Words: 5,341 - Reviews: 9 - Favs: 16 - Follows: 20 - Updated: 12/11 - Published: 12/4 - Magma/Amara A., Mystique/Raven D., OC, Ben T.
Iruma Juu by Comments sensfic reviews
It started when a alien device did what it did and stuck upon her wrist with secrets that it. Now she is no ordinary girl, she's Iruma ten and when evil is taking place, she gets right up in it's face. Female deku with the omnitrix fanfic
Crossover - My Hero Academia/僕のヒーローアカデミア & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 1 - Words: 8,415 - Reviews: 2 - Favs: 4 - Follows: 7 - Published: 12/11 - Vilgax, Inko M., Izuku M., OC
2.5K | Page 1 2 3 4 11 .. Last Next »