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

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?
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 4,850 - Reviews: 5 - Favs: 24 - Follows: 30 - Updated: 1h - Published: 7/11/2021 - [Izuku M., Kyoka Jiro] Vilgax, Zs’Skayr
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
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 334 - Favs: 2 - Follows: 3 - Published: 10h - Azmuth, Izuku M., 1-A Students
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: 34 - Words: 838,720 - Reviews: 135 - Favs: 107 - Follows: 92 - Updated: 12h - Published: 12/23/2020 - OC, The Mandalorian/Din Djarin, The Child/baby yoda
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.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 13,298 - Reviews: 2 - Favs: 2 - Follows: 3 - Published: 15h - Eijiro Kirishima, Hanta S., Denki K.
The omniversal war by The Ben writer reviews
What happens when the forces of evil are finally caught up with the lordess of light and she is forced to select her final champions once and for all ( ps first chapter is just info) ,t for safety
Crossover - X-overs & Ben 10 - Rated: T - English - Adventure/Friendship - Chapters: 2 - Words: 937 - Reviews: 1 - Favs: 2 - Follows: 2 - Published: 10/7 - Ben T., Gwen T., OC, Prof. Paradox
Lincoln Loud: Omnitrix Adventures by Rodimus973 reviews
When an alien watch falls down from the far reaches of space, Lincoln Loud acquires it and gains the ability to transform into 10 different aliens. With some help from his family, Lincoln will protect Royal Woods from common criminals, galactic warlords and many different evil villains and keep his secret from the rest of his friends.
Crossover - Loud House & Ben 10 - Rated: T - English - Family/Sci-Fi - Chapters: 9 - Words: 79,278 - Reviews: 84 - Favs: 85 - Follows: 89 - Updated: 10/7 - Published: 10/28/2021 - [Lincoln L., OC] Vilgax, The Loud Sisters
Ben 10 Omni-Magic Summer by Feedbackblast18 reviews
When 10-year-old Ben Tennyson is sent to his Aunts in Canterlot City for the summer, he thinks he is going to have a horrible vacation. but when a strange watch from space literally crashes into his life, he finds himself in the shoes of 10 different alien superheroes! With the help of some new friends and his family, Ben 10 can take on anything! 1 part kid, 10 parts superhero!
Crossover - My Little Pony & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 20 - Words: 134,261 - Reviews: 20 - Favs: 22 - Follows: 20 - Updated: 10/6 - Published: 9/21 - Princess Celestia, Sunset Shimmer, Ben T., Max T.
A Hero's Life Reboot by Feedbackblast18 reviews
During a battle with Vilgax, a freak weapon malfunction has duplicated and sent 11-year-old Ben Tennyson to another Earth, altogether. Now, not only does he have to get used to this new world, where he is found by 3 teen spy girls, but also figure out how to use the Omnitrix after it rebooted and back to 10 aliens again! This AU Ben has a different middle name from Ben Prime.
Crossover - Totally Spies & Ben 10 - Rated: K+ - English - Humor/Sci-Fi - Chapters: 19 - Words: 104,396 - Reviews: 21 - Favs: 14 - Follows: 13 - Updated: 10/6 - Published: 9/21 - Alex, Jerry, Ben T.
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: 59 - Words: 607,369 - Reviews: 958 - Favs: 1,263 - Follows: 1,256 - Updated: 10/6 - Published: 1/25/2020 - Lucy M., Izuku M., Ochako U., Momo Y.
Dial: Call Resumed by DesertChocolate reviews
The Sequel to Dial, continuing the story of a self-insert in the MCU fighting on the side of heroes using an Omnitrix. Things are heating up. New enemies, heroes, and dumb mistakes from politicians are ahead. And all the while, the stars hide new threats. Also posted on RoyalRoad
Crossover - Marvel & Ben 10 - Rated: M - English - Sci-Fi/Fantasy - Chapters: 12 - Words: 55,588 - Reviews: 284 - Favs: 1,082 - Follows: 1,181 - Updated: 10/6 - Published: 4/2/2022 - S. Rogers/Captain America, N. Romanov/Black Widow, C. Xavier, Ben T.
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: 4 - Words: 7,880 - Reviews: 9 - Favs: 27 - Follows: 28 - Updated: 10/6 - Published: 6/5 - OC
Linc 10 Alien Force by ChaosMagemon reviews
Four years have passed since Lincoln Loud discovered the Omnitrix and saved the world more times than he could count. But when his Pop-pop gets captured it's up to Lincoln to once again don the alien watch and be the hero the world needs once again.
Crossover - Ben 10 & Loud House - Rated: T - English - Adventure/Humor - Chapters: 20 - Words: 55,136 - Reviews: 378 - Favs: 233 - Follows: 212 - Updated: 10/6 - Published: 1/1/2020 - [Lincoln L., OC] Vilgax, Albedo
Ultimate Fairy: Volume II by pyrohelixdrago reviews
Ben Tennyson has found himself in another universe, one filled with magic he never imagined. He comes across a few wizards who invite him to their guild, Fairy Tail. With no immediate ways to return home Ben must adapt to this new world, form new bonds, and grow stronger with his teammates to overcome many obstacles. Adopted from Ultimate10
Crossover - Ben 10 & Fairy Tail - Rated: T - English - Chapters: 67 - Words: 962,564 - Reviews: 1115 - Favs: 1,380 - Follows: 1,349 - Updated: 10/6 - Published: 12/5/2021 - Ben T., Erza S.
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: 75 - Words: 1,051,995 - Reviews: 1503 - Favs: 626 - Follows: 589 - Updated: 10/6 - Published: 4/4/2021 - [Ben T., Yang X.L.] Gwen T., Ruby R.
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.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 50 - Words: 134,747 - Reviews: 455 - Favs: 208 - Follows: 204 - Updated: 10/6 - Published: 8/11/2021 - Izuku M., Ochako U., 1-A Students
Ben 10 meets DC Superhero Girls Shorts by skipper.weinkauf reviews
Here we'll go into the short stories of Ben 10 meets DC Superhero Girls (mix of the 2 seasons and the movie)
Crossover - DC Super Hero Girls & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 33 - Words: 12,742 - Reviews: 44 - Favs: 8 - Follows: 8 - Updated: 10/5 - Published: 6/25 - Kara K./Supergirl, Ben T., Rook
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
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Romance/Adventure - Chapters: 2 - Words: 3,028 - Reviews: 1 - Favs: 8 - Follows: 12 - Updated: 10/5 - Published: 10/1 - [Izuku M., Setsuna T.]
Ben 10 Power Rangers:Shattered Grid by JerryAwesome24 reviews
Ben Tennyson hero of the universe has a new challenge for him when a new threat named Lord Drakkon. So Ben teams up with the Power Rangers throughout the Multiverse to defeat Lord Drakkon from stealing their Morphers and stop him at all costs from access to the Moprhin Grid. May the Power Protect Him.
Crossover - Power Rangers & Ben 10 - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 2 - Words: 9,617 - Reviews: 9 - Favs: 19 - Follows: 20 - Updated: 10/5 - Published: 5/24 - Jason L. S., Kim H., Tommy O., Ben T.
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!
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Humor - Chapters: 65 - Words: 383,770 - Reviews: 125 - Favs: 128 - Follows: 123 - Updated: 10/5 - Published: 12/31/2022 - [Ochako U., Izuku M.] Ben T., Tenya I.
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. Ben x Harem. **No nerfing! The Ink Tank power rankings**
Crossover - Ben 10 & Fairy Tail - Rated: M - English - Fantasy/Romance - Chapters: 8 - Words: 86,324 - Reviews: 252 - Favs: 436 - Follows: 490 - Updated: 10/4 - 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: 107 - Words: 232,888 - Reviews: 1 - Favs: 8 - Follows: 7 - Updated: 10/4 - Published: 1/5/2022 - Jenrya L./Henry W., Albedo
Ultra Legions Heroes United by Arsenal10 reviews
When a species called the novatron they're objective is to conquer the multiverse and rule to their image so It's up to Ben Tennyson and other superheroes of each earth to stop them. It's time to unite Ultra legions.
Crossover - Cartoon X-overs & Ben 10 - Rated: K - English - Adventure/Supernatural - Chapters: 19 - Words: 113,326 - Reviews: 19 - Favs: 14 - Follows: 10 - Updated: 10/4 - Published: 8/30 - Danny P., OC, Ben T., Prof. Paradox - Complete
Savior of Justice by Criss2326 reviews
An experienced Ben Tennyson armed with an upgraded Omnitrix is tasked with guiding a multiverse separate from his own in the right direction lest the multiverse suffers destruction and in doing so is met by this reality heroes. How will they react when they meet the man who has saved his universe from destruction on several occasions? Will they treat him as a danger or a hero?
Crossover - Ben 10 & Justice League Unlimited - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 4,429 - Reviews: 4 - Favs: 21 - Follows: 20 - Published: 10/4 - Ben T., Batman/Bruce Wayne, Superman/Clark Kent/Kal-El, Wonder Woman/Diana
Izuku the Methanosian by WraithPlague049 reviews
Izuku Midoriya a quirkless kid is a alien known as a Methanosian.
Crossover - My Hero Academia/僕のヒーローアカデミア & Ben 10 - Rated: T - English - Romance/Adventure - Chapters: 4 - Words: 2,471 - Reviews: 5 - Favs: 12 - Follows: 13 - Updated: 10/3 - Published: 6/29
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: 146 - Words: 1,114,782 - Reviews: 477 - Favs: 598 - Follows: 585 - Updated: 10/2 - Published: 12/26/2018 - [Ben T., Ruby R.] OC
2.5K | Page 1 2 3 4 11 .. Last Next »