Ben 10 Crossovers
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Kir-Ben 10: Poyo Force! by omnimegalander reviews
The young Star Warrior Kirby ends up crash landing on a planet called Earth due to the forces of the evil Nightmare. Found by the Omnitrix wielder Ben Tennyson and his date Julie, he becomes the couple's unofficial son. However, with the threat of the Highbreed and Nightmare drawing near, they, alongside the mysterious Meta Knight, must fight them to save the universe from evil.
Crossover - Kirby & Ben 10 - Rated: T - English - Adventure/Family - Chapters: 6 - Words: 46,667 - Reviews: 28 - Favs: 67 - Follows: 61 - Updated: 7/4 - Published: 11/23/2020 - [Ben T., Julie Y.] Kirby, Meta-Knight
Wielders of the Omnitrix by bloodyredrose1994 reviews
The Omnitrix. The most powerful device, able the wearer to become any alien lifeform. We have seen what the current wearers have done, but let us explore the Omniverse and take a look at those who found the device. Story about different characters finding the Omnitrix.
Crossover - X-overs & Ben 10 - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 21,100 - Reviews: 19 - Favs: 19 - Follows: 15 - Updated: 7/4 - Published: 12/28/2021
Ben 10: Marvellous Moments by I craft experiences reviews
A series of oneshots focusing on the daily lives of Ben and the Avengers, with all the drama and misadventures that ensue. Also serves as a spinoff series based on the "Age of Marvels" Universe.
Crossover - Ben 10 & Avengers - Rated: T - English - Adventure/Humor - Chapters: 4 - Words: 34,735 - Reviews: 44 - Favs: 68 - Follows: 61 - Updated: 7/4 - Published: 5/23 - Ben T., Black Widow/Natasha R., Captain America/Steve R., Hulk/Bruce B.
A WITCHes' magic of love trouble by EmpressLoveSiren23 reviews
Ben and the gang are all so excited to see Angel, and she was finally coming home from her studies. But before they can celebrate three girls come to town and they fall deeply for Kevin, Rook, and Ben. I owned my OC Angel and it's my first time making a Ben 10 crossover so please don't hate me. Sit back and be ready for my newest story and please we need LadyDaisys back, please
Crossover - W.I.T.C.H. & Ben 10 - Rated: K+ - English - Romance/Adventure - Chapters: 3 - Words: 10,996 - Reviews: 3 - Favs: 8 - Follows: 6 - Updated: 7/3 - Published: 6/24/2020 - Cornelia H., Ben T., Gwen T., Kevin
Amphibia 10 by Angry9guy reviews
what happens when Ben Anne Gwen Sasha Kevin and Marcy end up in amphibia it will take more than Ben's aliens to escape this new world so Anne and Ben will have to make new friends and end up learning that they have a big destiny and must figure out how to save the universe .
Crossover - Amphibia & Ben 10 - Rated: T - English - Adventure/Friendship - Chapters: 70 - Words: 220,419 - Reviews: 17 - Favs: 44 - Follows: 31 - Updated: 7/3 - Published: 9/30/2020 - Ben T., Gwen T., Anne, Marcy
Ben 10: Prime Force by Mana Rider reviews
Ben, Gwen, & Kevin get sucked into another universe. While there they get mixed up in an eon long war between sentient, transforming machines from a strange mechanical planet. Will they join the Autobots and help them save the world from the Decepticons, MECH, and a long-time enemy of Ben's? Pairing: Ben X Arcee. Adopted from Ultimate 10.
Crossover - Transformers/Beast Wars & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 17 - Words: 146,672 - Reviews: 318 - Favs: 629 - Follows: 644 - Updated: 7/3 - Published: 12/31/2018
Undying Lights by Shinobi360 reviews
Once a task to stop a rampaging Infernal turned out to be an unusual encounter for Special Fire Force Company 8. With another Infernal stepping to the fray turning out to not only be an ally in the end, but an individual unlike any they've ever seen before; Ben Tennyson. With his powers and sense of justice,Ben eventually becomes the latest addition to the Fire Force.
Crossover - Ben 10 & Fire Force/炎炎ノ消防隊 - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 10,863 - Reviews: 11 - Favs: 32 - Follows: 38 - Published: 7/3 - Ben T., Shinra K.
My Boyfriend Is An Alien Superhero From Another Dimension! by ParadoxicOrder8 reviews
A chance of a vacation from his universal renown has landed Ben in the world of My Hero Academia and into a crash landing into Izuku Midoriya's life! What will this mean for Izuku's story? What will change? What will stay the same? There's only one way to find out!
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Romance - Chapters: 11 - Words: 88,050 - Reviews: 21 - Favs: 111 - Follows: 114 - Updated: 7/2 - Published: 1/6/2021 - Ben T., Izuku M.
A Spy's Life Reboot by Feedbackblast18 reviews
An unknown accident duplicates Dan Prime and jettison him into the Multiverse, ending up landing in a different world. On top of that, the Omnitrix is rebooted, leaving him back with 10 aliens. Now, Dan has to adapt to whatever this world throws at him. Plus the trio of girls he met are totally spies! How much change can an 11-year-old handle?
Crossover - Totally Spies & Ben 10 - Rated: K+ - English - Supernatural/Adventure - Chapters: 38 - Words: 201,897 - Reviews: 33 - Favs: 42 - Follows: 45 - Updated: 7/1 - Published: 2/14/2021 - Alex, OC
Ben 10: Life of A Pirate by Ciel Binns reviews
Ben Tennyson is offered a chance to explore a new world, filled with pirates, treasure, monstrous creatures and so much more. Watch as he puts together the strongest pirate crew in history in order to become Pirate King
Crossover - Ben 10 & One Piece - Rated: K+ - English - Adventure/Friendship - Chapters: 6 - Words: 61,367 - Reviews: 37 - Favs: 50 - Follows: 52 - Updated: 7/1 - Published: 4/16
Omniverse Earth-38 by choejhulkp9 reviews
The multiverse is a big, wide open space of possibilities. Think of them like snowflakes: they look similar but they're different enough. This earth is no different. A citizen of earth finds himself wielding the most powerful weapon in the universe. It stuck itself upon his wrist with secrets that it hid. Now he's got superpowers, he's no ordinary kid. He's...well, you get it.
Crossover - Ben 10 & DC Superheroes - Rated: M - English - Chapters: 7 - Words: 236,895 - Reviews: 186 - Favs: 633 - Follows: 659 - Updated: 7/1 - Published: 1/1/2021 - C. Kent/Kal-El/Superman, Kara Z./Supergirl, OC
Mayans The Movie: Battle of the Two Fairies by AishaBlackTennyson reviews
The Mayans head to Japan where they meet up with heroes in training for this summer under the queens order of protection. During their stay, Aisha encounters a mysterious figure that can change the fate of the Mayans forever. [some scenes will be rated M due to blood, battle, profanity and sex]
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Mystery/Drama - Chapters: 14 - Words: 31,866 - Reviews: 2 - Favs: 3 - Follows: 2 - Updated: 7/1 - Published: 3/22 - 1-A Students, OC
Heroes Never Die It's Hero Time by CreateGunner1209 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.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 68 - Words: 1,389,930 - Reviews: 3446 - Favs: 1,624 - Follows: 1,630 - Updated: 7/1 - Published: 11/26/2019 - Kevin, Izuku M., Ochako U., 1-A Students
Avengers of the Multiverse - Night of the Beyond by Iron117Prime reviews
Something sinister is affecting many of the worlds our heroes call home, and they can't handle it on their own. Recruiting several of their allies, many of which know the ways of magic, the Avengers may face one of the most dangerous challenges they've faced thus far. Let's hope they survive arguably the darkest night of their lives.
Crossover - Cartoon X-overs & Ben 10 - Rated: T - English - Adventure/Mystery - Chapters: 7 - Words: 70,556 - Reviews: 134 - Favs: 77 - Follows: 65 - Updated: 6/30 - Published: 1/14 - Danny P., Ben T., Gwen T. - Complete
The New Tennyson by Gaea's Scion reviews
Fed up with his unfairness, Naruto decides to leave the village but he cant do it without any manpower so with a little help, read as Naruto decides to change his life for the better.
Crossover - Naruto & Ben 10 - Rated: M - English - Chapters: 14 - Words: 76,432 - Reviews: 395 - Favs: 1,188 - Follows: 1,054 - Updated: 6/30 - Published: 9/2/2013 - Naruto U., Gwen T. - Complete
Ringo 10 by daveping243
Ringo and her two best friends go on a road trip with her father over the course of summer vacation. Little did they know, this road trip was going to get freaky and action-packed when Ringo and her friends find the Omnitrix after they saw it land in a forest. Now they all have to fight off creatures of all shapes and sizes that suddenly start appearing in their world.
Crossover - Ben 10 & Puyo Puyo - Rated: T - English - Adventure - Chapters: 1 - Words: 5,144 - Published: 6/30 - Ringo A., Risukuma, Sasaki M.
Dekka: Summer Days by 0-YoursTruly-0 reviews
Ben had an out. He was selected to play in his school's Little League Tournament in place of Cash and JT, and because of that, he didn't join his Grandpa Max and his big Brother in their summer trip in the old R.V. What does this mean for the future of the Universe? Strong/Dual!Bloodline Naruto. Strong!Gwen. This is the Spiritual Adoption of 'the New Tennyson' by Gaea's Scion.
Crossover - Naruto & Ben 10 - Rated: M - English - Chapters: 1 - Words: 4,757 - Reviews: 16 - Favs: 203 - Follows: 239 - Published: 6/30 - Naruto U., Gwen T.
Ultimate Chainsaw by MiniTennyson reviews
Years have passed since Dagon's defeat and ever since that fight, Ben felt like he did it all. One fateful day, however, he is asked by the japanese government to become part of the Special Division 4 of the Public Safety Sector Devil Hunters. Ben accepts, ready to take devils head on! But is Ben really prepared for the whackiness and horrors of devil hunting...?
Crossover - Ben 10 & Chainsaw Man/チェンソーマン - Rated: M - English - Supernatural/Sci-Fi - Chapters: 20 - Words: 70,442 - Reviews: 32 - Favs: 29 - Follows: 29 - Updated: 6/30 - Published: 3/17 - Ben T., Denji, Power, Aki - Complete
Ben 10 Japan by Shadowgate reviews
Ben and Gwen have an unexpected summer on the other side of the world.
Crossover - Godzilla & Ben 10 - Rated: T - English - Family/Adventure - Chapters: 2 - Words: 857 - Reviews: 2 - Favs: 3 - Follows: 4 - Updated: 6/29 - Published: 6/7/2021 - Godzilla, Ben T., Gwen T.
Chan in Bellwood (Rewrite) by Inkaliber reviews
Jade has been having trouble in school lately. With parents as busy as hers, who could really blame her? With all this stress and uncertainty brought about by their daughter's behavior, what will her parents do? Send her to her uncle Jackie in... Bellwood? How will things change when a certain family gets involved in the lives of the Chan Clan from the very Beginning?
Crossover - Jackie Chan Adventures & Ben 10 - Rated: T - English - Adventure/Family - Chapters: 3 - Words: 47,781 - Reviews: 33 - Favs: 71 - Follows: 65 - Updated: 6/28 - Published: 11/14/2020 - [Jade C., Ben T.] [Jackie C., Viper]
Sentinel of Peace: Ben Tennyson by thecubesclan01 reviews
The story of Ben Tennyson like you haven't seen him before. Azmuth was desperate for a hero, desperate for hope, and he was willing to go to any means necessary to get it. If that means taking the greatest Plumber in history and molding him into the sentinel of peace the galaxy needs, so be it. It's too bad the Omnitrix can't tell the difference between grandfather and grandson.
Crossover - Ben 10 & Avengers - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 14,031 - Reviews: 9 - Favs: 44 - Follows: 55 - Updated: 6/28 - Published: 6/8 - Azmuth, Ben T., Star-Lord/Peter Q., Rocket R.
RWBY:Cambio Galatico by eivalfredoiv
Remanente tiene su futuro asegurado con la extinción de la humanidad que lucha por sobrevivir un día mas, todo debido a las acciones de sus creadores en el pasado condenando a los remanentes a la furia de la Reina Grimm, pero que pasaria, si existiera otra entidad?, sera que este nuevo jugador traera: "Salvacion" o "Destruccion" de esta realidad como las demas lineas del tiempo
Crossover - Ben 10 & RWBY - Rated: K+ - Spanish - Fantasy/Adventure - Chapters: 1 - Words: 3,923 - Favs: 1 - Follows: 3 - Published: 6/28 - Ozpin, Salem, God of Light, God of Darkness
Lincoln 10 BOOK 1: The Alien Clock by Daniel22102005 reviews
After Rita broke up with Lynn Sr., Lincoln and half of his family moved to Great Lakes City. accompanies Lincoln who had a normal life but from space fell to earth a kind of Clock that you could turn into an alien and that clock clings to Lincoln's arm. now he turns from a robot fighting hero to an octopus alien who is willing to kill the person to get the watch.
Crossover - Ben 10 & Loud House - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 15,290 - Reviews: 4 - Favs: 8 - Follows: 6 - Updated: 6/26 - Published: 6/20 - Lincoln L., Sid C., OC
Cartoon Heroes Unite by HeroesUnite2020 reviews
Cartoon Heroes Unite fight against evil from various dimensions. Ben Tennyson, Jake Long, Steven Universe, Danny Phantom and Jenny Wakeman join forces to defeat Aku, Bill Cipher and other villains. They are lured into a trap and sent to other dimensions. Will they manage to return and defeat evil? Robotboy, Rex Salazar, Teen Titans are joining them to defeat Aku.
Crossover - Kim Possible & Ben 10 - Rated: T - English - Adventure/Mystery - Chapters: 16 - Words: 52,116 - Reviews: 3 - Favs: 9 - Follows: 9 - Updated: 6/26 - Published: 7/10/2020 - [Kim P., Ron S.] [Ben T., Rook]
Just Another Day at the Office by Darthkvzn
Spectre-turned-bounty hunter (and unwilling interdimensional traveler) Jane Shepard arrives at her base of operations on Knowhere to embark on a mission to this dimension's version of Earth - one that could help her find her way back to the universe she was ripped from... (F!Shepard, multicrossover, part of the Kryptonverse series!)
Crossover - Ben 10 & Mass Effect - Rated: T - English - Adventure - Chapters: 1 - Words: 3,070 - Favs: 9 - Follows: 6 - Published: 6/25 - EDI, Shepard
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