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

DC Omnitrix Kid by Feedbackblast18 reviews
When a 10-year-old boy who had moved to Metropolis discovers a watch that turns him into 10 different aliens, he realizes it is his ticket to joining the Justice League! Little did he know, that he was about to embark on a path that would lead him to become the hero of heroes! Join Ben Tennyson as he teams up with the many heroes of the DC Universe as he learns to be a real hero!
Crossover - Justice League & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 1 - Words: 8,933 - Reviews: 1 - Favs: 6 - Follows: 7 - Published: 8h - Clark K./Kal-El/Superman, Bruce W./Batman, Ben T., Max T.
Steven 10: The Crystal Knight Rewrite by XLR8 The Fox reviews
What would happen when a Human/Gem hybrid gets his hands on the most powerful device in the multiverse? Many things, join Steven Universe as he has adventures with his new friend Trix, to stop Creatures from Earth or Space [This is a Rewrite of the story with the same name made by my friend Blackskull, hope ya'll enjoy]
Crossover - Ben 10 & Steven Universe - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 97,243 - Reviews: 21 - Favs: 34 - Follows: 33 - Updated: 12h - Published: 8/11/2023 - Ben T., OC, Steven U.
The Ultimate Ben 10 by GhostAlleyCat reviews
Ben Tennyson has joined S.H.I.E.L.D. Academy's Elementary Division and now gets to work with other heroes from Man of Action shows, like Zak Storm, Glitter Ace, Mega Man (Here, he's reimagined to resemble a ten-year-old), and Action Axel.
Crossover - Ben 10 & Ultimate Spider-Man - Rated: T - English - Sci-Fi/Adventure - Chapters: 116 - Words: 172,041 - Reviews: 18 - Favs: 8 - Follows: 9 - Updated: 15h - Published: 11/13/2023 - [Ben T., Kai Green] [Peter P./Spider Man, M.J Watson] - Complete
The Ultimate Ben 10's First Children's Day by GhostAlleyCat reviews
Ben finds a mysterious sword and it takes him on a strange adventure in another dimension and he has to find a way to get back without releasing an evil demon. This is based on Hellboy: Sword of Storms.
Crossover - Ben 10 & Ultimate Spider-Man - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 2,829 - Reviews: 6 - Favs: 1 - Follows: 1 - Published: 16h - [Ben T., Kai Green] [Peter P./Spider Man, M.J Watson] - Complete
Rise of The Ultimates by StormWolf150 reviews
What if four young heroes were forced to move from their hometown? That is what happens to Ben Tennyson, Danny Fenton, Kim Possible and Jake Long, who are all relocated to Tremorton at the age of eleven. What if they were to become friends? What if they become a team down the road? How will a certain robot girl react when she comes into the picture?
Crossover - Danny Phantom & Ben 10 - Rated: T - English - Adventure/Drama - Chapters: 2 - Words: 5,857 - Reviews: 10 - Favs: 20 - Follows: 20 - Updated: 4/30 - Published: 3/27 - Danny F., Ben T.
After the Many Dates Ben and Kim by pokemon fan 1991 reviews
You have saw all of Danny and Penny side of the story. Now it time for what Ben and Kim time to shine
Crossover - Kim Possible & Ben 10 - Rated: K+ - English - Romance/Adventure - Chapters: 6 - Words: 11,608 - Reviews: 28 - Favs: 23 - Follows: 20 - Updated: 4/30 - Published: 1/24 - [Kim P., Ben T.]
Mass Effect 10 Ben Second Chance by benguin reviews
Here is a world for both Ben 10 and mass effects Fans, but basically it like any story where ben world is gone and lives in another universe to move on from the pain. I do not Own Ben 10 and Mass effect. They are owned by they respected properties of Man of Action and Bioware. Please support the official release.
Crossover - Ben 10 & Mass Effect - Rated: T - English - Sci-Fi/Romance - Chapters: 15 - Words: 44,353 - Reviews: 27 - Favs: 44 - Follows: 49 - Updated: 4/29 - Published: 2/15 - [Ben T., Miranda L.] Ship, Shepard
Boku no Hero Alien force by benguin reviews
This story is another ben 10 crossover. Follow my other story Mass effect 10. I would not stress this enough to say That I do not own both series and manga. which is of course Ben 10 and My hero acidemia, They both belong to there respected owners. Please support the official release.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 9,670 - Reviews: 11 - Favs: 18 - Follows: 24 - Updated: 4/29 - Published: 4/14 - [Ben T., Itsuka K.] Izuku M., 1-B Students
A Trip to Remember by LG Shala reviews
A shape-shifting alien hero, eager to see the universe after saving it. A human-gem hybrid, burdened by his inheritance, looking to discover himself. When Ben Tennyson and Steven Universe realize they're both going on a road trip, they decide to explore the universe together.
Crossover - Ben 10 & Steven Universe - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 64,673 - Reviews: 43 - Favs: 39 - Follows: 36 - Updated: 4/29 - Published: 4/20/2023 - Ben T., Steven U., Lars
Ten Reasons to Become a Hero by That horned guy reviews
After being betrayed by his partner, Jaune wanders to the cliff overlooking the Emerald Forest, unaware of the life-changing event that would come his way. After being chosen to wield the Omnitrix, Jaune meets Paradox, who guides and observes the boy on his journey to becoming both a Hero on all of Remnant and, maybe, further from Remnant as well.
Crossover - Ben 10 & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 10,936 - Reviews: 4 - Favs: 31 - Follows: 41 - Published: 4/29 - Prof. Paradox, Ozpin, Jaune A., Team RWBY
Rise of G-Morph and The Amazing Spider-Man by Amit Barabi reviews
Gwen Stacy is chosen to become the successor of Ben Tennyson. Read and enjoy her origin as the heroine, G-Morph, and her ever-growing adventure with her arachnoid boyfriend. Mainly based on The Amazing Spider-Man movies and the MCU but has some original ideas. Peter and Gwen pairing. Inspired by The Incredible Muffin. Originally titled "Wristed Heroes"
Crossover - Spider-Man & Ben 10 - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 121,853 - Reviews: 97 - Favs: 79 - Follows: 86 - Updated: 4/29 - Published: 8/13/2020 - [Peter P./Spider-Man, Gwen S.] Eunice
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: 188 - Words: 1,443,300 - Reviews: 546 - Favs: 708 - Follows: 690 - Updated: 4/29 - Published: 12/26/2018 - [Ben T., Ruby R.] OC
Chimera Rising by Ghost Angel14 reviews
It's all just a game of cops and robbers. It's all in good fun. Everyone's careful not to break the rules and play nice with each other. But unfortunately, not everyone will follow the rules, some will go too far. And will refuse to be stopped. "You'll never beat me. Because you're one of the good guys. And good guys never have the guts to finish guys like me."
Crossover - Ben 10 & Worm - Rated: T - English - Adventure/Drama - Chapters: 22 - Words: 92,927 - Reviews: 147 - Favs: 410 - Follows: 459 - Updated: 4/28 - Published: 7/31/2020
Ultimate ga Kill! by MegaRdaniels reviews
Ben Tennyson never seem to run out of crazy adventures, but this has to be one of his craziest yet. When he is discovered by Night Raid, a group of assassins fighting for the Revolutionary Army, Ben must decide whether to join them or become a soldier for the corrupt Imperial Capital.
Crossover - Ben 10 & Akame ga Kiru/アカメが斬る - Rated: T - English - Adventure/Sci-Fi - Chapters: 63 - Words: 183,110 - Reviews: 984 - Favs: 780 - Follows: 735 - Updated: 4/28 - Published: 11/1/2016 - [Ben T., Akame, Sheele] Esdeath
The pirate heroes of the all blue by Artzilla406 reviews
pirates are the scurvy of the seven seas and the most famous ones are the strew hats, but what will happen when four heroes are with them? join ben, Austin, koan and zack as they sail with the luffy and his crew as they find the one piece and fighting the evils of the villains and evil itself.
Crossover - One Piece & Ben 10 - Rated: M - English - Romance/Adventure - Chapters: 38 - Words: 635,757 - Reviews: 10 - Favs: 31 - Follows: 31 - Updated: 4/28 - Published: 7/6/2017
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: 13 - Words: 177,364 - Reviews: 44 - Favs: 62 - Follows: 57 - Updated: 4/28 - Published: 4/11/2021 - [Jade C., Ben T.] Kevin, Max T.
Steven 10 the crystal knight by BlackSkull Universe reviews
In an alternate universe, Steven Universe had obtained the Omnitrix and uses it to help him protect Beach City and become a real Crystal Gem. But he'll be having some help from an outside force, the ex hero Ben Tennyson! special thanks to Omnitrixmaster23 of his help editing.
Crossover - Ben 10 & Steven Universe - Rated: M - English - Sci-Fi/Adventure - Chapters: 27 - Words: 303,682 - Reviews: 75 - Favs: 73 - Follows: 63 - Updated: 4/28 - Published: 10/29/2019 - Ben T., Steven U., Peridot, Jasper
Ben 10: Total Drama Island Madness! by Masamune X23 reviews
Summer vacation is here once again and Ben finds himself without any plans. However a new adventure comes into his path when he's chosen for a new tv survival game show. Can he win the competition using nothing but his natural skills now that he isn't wearing the Omnitrix? Find out on Total...Drama...Island!
Crossover - Ben 10 & Total Drama series - Rated: T - English - Chapters: 7 - Words: 85,222 - Reviews: 71 - Favs: 157 - Follows: 171 - Updated: 4/28 - Published: 10/29/2021
KoBENi by Anime0CC0Manga reviews
The Saddest Cry Baby In The World Gets The Most Powerful Weapon Ever (I Own Nothing)
Crossover - Chainsaw Man/チェンソーマン & Ben 10 - Rated: K - English - Horror/Humor - Chapters: 14 - Words: 26,476 - Reviews: 39 - Favs: 54 - Follows: 53 - Updated: 4/28 - Published: 2/5 - Kobeni, Denji, Aki, Power
Ultra Legion: Heroes United (20) by Arsenal10 reviews
when the Novatrons, a species, attempt to rule the multiverse and shape it to suit their purposes. In order to save the multiverse from the Novatrons, Ben Tennyson and the other worldly superheroes must stop them. It's time to unite Ultra legion.
Crossover - Cartoon X-overs & Ben 10 - Rated: K - English - Adventure/Supernatural - Chapters: 17 - Words: 118,797 - Reviews: 37 - Favs: 18 - Follows: 16 - Updated: 4/28 - Published: 3/18 - OC, Ben T., Eon, Prof. Paradox
The Wielder of the Boosted Ultimatrix by Nefarious Doctor reviews
There will always be a hero in any world, but what happens when the most powerful alien device ends in the hands of another ten-year-old boy who was also a wielder fo a powerful Longinus? Let's see.
Crossover - Ben 10 & High School DxD/ハイスクールD×D - Rated: T - English - Supernatural/Adventure - Chapters: 5 - Words: 24,775 - Reviews: 22 - Favs: 97 - Follows: 101 - Updated: 4/27 - Published: 11/2/2023 - [H. Issei, Charmcaster/Hope]
Dinosaurs and Aliens by jboy44 reviews
A twist of Fate, and Max's parents were taken away, No with no family he has been adopted by the Tennyson family. Max has his dinosaurs, but his big brother has his aliens. With his new family Max is about to set out to stop prehistoric and other worldly evil, and save his birth parents from their kidnappers.
Crossover - Ben 10 & Dinosaur King - Rated: M - English - Adventure/Supernatural - Chapters: 1 - Words: 2,711 - Reviews: 3 - Favs: 8 - Follows: 9 - Published: 4/27 - [Ben T., OC] [Zoe D., Max T.]
10 Piece by AutoHunterJ49 reviews
Many years ago, The princess of Alabasta made a chance discovery of a mysterious device that stuck itself upon her wrist with secrets that it hid. Unaware that this strange device had the capability to change everything not just for her kingdom but the whole world.
Crossover - One Piece & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 5,586 - Reviews: 15 - Favs: 18 - Follows: 18 - Updated: 4/26 - Published: 3/30 - Luffy, Vivi, Strawhat Pirates
Ultraman Gyro by dannyrockon122 reviews
" The world is in trouble but Gwen too busy being an fame seeker and it time for me to step up."
Crossover - Ben 10 & Ultraman - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 20,627 - Reviews: 42 - Favs: 57 - Follows: 51 - Updated: 4/26 - Published: 11/14/2021
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: 56 - Words: 161,466 - Reviews: 520 - Favs: 234 - Follows: 232 - Updated: 4/26 - Published: 8/11/2021 - Izuku M., Ochako U., 1-A Students
2.5K | Page 1 2 3 4 11 .. Last Next »