Ben 10 Crossovers
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Priestess 10 by SilverSoulmmc reviews
It's been a couple of months since Yu Narukami and The Investigation Team solved the case and returned peace to their town of Inaba. Yukiko Amagi was looking forward to spending the upcoming summer with her friends however it seemed that her parents had other plans for her, plans that involved sending her to America for a Summer Road Trip with relatives she's only recently heard of
Crossover - Ben 10 & Persona Series - Rated: T - English - Family/Adventure - Chapters: 47 - Words: 264,534 - Reviews: 211 - Favs: 174 - Follows: 188 - Updated: 12/16 - Published: 8/17/2021 - Ben T., Gwen T., Max T., Yukiko A.
Ben 10: That Time I Became An Overpowered Adventurer In Teyvat by Rubyswift-AI reviews
A crossover fanfiction between Genshin Impact and Ben 10. (An alternate-reality version of) Ben Tennyson was transported to Teyvat by Prof Paradox to learn the heroics like his superhero counterparts. The story follows the adventure of Ben and his companion, Paimon as the mysteries of Teyvat gradually unfold.
Crossover - Ben 10 & Genshin Impact - Rated: T - English - Adventure/Fantasy - Chapters: 2 - Words: 17,638 - Reviews: 6 - Favs: 20 - Follows: 22 - Updated: 12/16 - Published: 12/10 - Ben T., Amber, Paimon
Runaway Hero by Victor2120 reviews
Lincoln had run away from home for about four months and had been on his own since. Until one night, he meets the Tennysons and a watch that turns him into ten different aliens. Now he has become something that never thought possible he'd become a superhero. (Got the idea from Overlord159)
Crossover - Ben 10 & Loud House - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 19 - Words: 34,132 - Reviews: 112 - Favs: 101 - Follows: 117 - Updated: 12/15 - Published: 11/23/2021 - Gwen T., Max T., Vilgax, Lincoln L.
The Loud 10: Omnitrix Team Adventures by Harriet546 reviews
Lincoln Loud, the Omnitrix Team and the Omnitrix itself are as heroic as always. Join Lincoln and the Omnitrix Team as they go through adventures with heroic friends, make new ones, and fight to save the world and other worlds like it. (Inspired by The Loud 10 by GokuSannin9000).
Crossover - Ben 10 & Loud House - Rated: K+ - English - Adventure/Humor - Chapters: 66 - Words: 285,408 - Reviews: 30 - Favs: 45 - Follows: 37 - Updated: 12/15 - Published: 6/26/2018 - Lincoln L., Luna L., OC, Ronnie Anne S.
BEN 10: Fairy King Oberon by Zenthoth reviews
Vilgax is back, and he regained his Dagon abilities, he then opted to destroy every adversary he ever had, he massacred every plumber officer, he murdered Gwen, Kevin and even his old nemesis Max Tennyson and Just for fun he murdered Ben's parents. With no other option Ben was sent to another world, Fiore where he meets and joins the guild fairy tail and becomes their King, Oberon.
Crossover - Ben 10 & Fairy Tail - Rated: M - English - Fantasy/Romance - Chapters: 2 - Words: 12,715 - Reviews: 1 - Favs: 8 - Follows: 7 - Updated: 12/15 - Published: 12/8 - [Ben T., Erza S.]
Omni Boys by AUfan62 reviews
While fighting both Kevin and Vilgax at Niagara Falls both them and Ben get sucked into a portal created by the Null Void projector. Only it’s not the Null Void they land. They land in a world where Superheroes are just a bunch of corporate puppets and think they can do whatever they want. But no it’s a real Hero’s Time.
Crossover - Ben 10 & Boys - Rated: M - English - Adventure - Chapters: 7 - Words: 73,630 - Reviews: 117 - Favs: 229 - Follows: 228 - Updated: 12/15 - Published: 9/3 - Ben T., Billy Butcher, Homelander/John, Hughie Campbell
Ben 10 Ga Kill by Jerry Ruffin reviews
Ben Tennyson finds himself in the Akame Ga Kill universe he finds out that there is a corrupted Empire and the Prime Minister is controlling the young Emperor to control the people. So Ben joined the assassin group Night Raid to helped them defeated the Prime Minister and bring peace in the world. BenxHarem.
Crossover - Ben 10 & Akame ga Kiru/アカメが斬る - Rated: T - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 35,481 - Reviews: 25 - Favs: 38 - Follows: 38 - Updated: 12/14 - Published: 9/28 - Ben T., Tatsumi, Akame, Sheele
Ben 10: Legendary Defender by OtherMind reviews
Professor Paradox, seeing a world about to destroy itself, sends an acquaintance of his to solve the problem he can't. How will the alien hero fare in this new world at war against the Galra? Find out! I own nothing
Crossover - Ben 10 & Voltron: Legendary Defender - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 13,328 - Reviews: 9 - Favs: 23 - Follows: 24 - Updated: 12/13 - Published: 9/10 - [Ben T., Princess Allura] Gwen T., Kevin
Ben 10 Switch On by CMXB reviews
A new Fourze has arrived at the world of Ben 10 with a mission to be a new hero of the universe while befriending anyone he meets, what adventures will he do only time will tell now, Uchu Kita.
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Adventure/Sci-Fi - Chapters: 40 - Words: 61,359 - Reviews: 239 - Favs: 172 - Follows: 153 - Updated: 12/12 - Published: 12/22/2019 - [Julie Y., OC] Gentaro K./Fourze
Ultimate Kaisen by Shinobi360 reviews
He was supposed to be dead. After sacrificing himself to save the Ultimates, Ben finds himself not in the afterlife, but in a world far different from his own. Stranded with no way to return back home,Ben must adjust to his new life. However,it seems that wherever he goes, his responsibilities as a hero still remains the same. Only instead of fighting Aliens,he now faces Spirits.
Crossover - Ben 10 & Jujutsu Kaisen/呪術廻戦 - Rated: T - English - Supernatural/Adventure - Chapters: 17 - Words: 115,426 - Reviews: 154 - Favs: 207 - Follows: 230 - Updated: 12/12 - Published: 1/7 - [Ben T., Kugisaki N.] Itadori Y., Megumi F.
Omniversal Hero by Xademin12 reviews
Read “Traversing into the Omniverse” before reading this. Ben and his AI friend, Cirla, have found themselves in a world filled with heroes and villains. While trying to find a way to get back to their universe, they will face many challenges. Villains, gangs, corrupt officials, a few heroes, the law, and of course… school. Will Ben give it his all to be a Hero or a Vigilante?
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: 9,589 - Reviews: 4 - Favs: 9 - Follows: 12 - Published: 12/12 - Ben T., Momo Y., Izuku M., Nezu/The Principal
Unbreakable by Burn1ng-Star reviews
With the Guardians of the Globe dead, a new team must be formed to take their place, however the Global Defense Agency is unsure of these new heroes so they pull out a weapon with an unbreakable will to turn these heroes into something more
Crossover - Ben 10 & Invincible - Rated: M - English - Sci-Fi - Chapters: 4 - Words: 25,808 - Reviews: 7 - Favs: 23 - Follows: 20 - Updated: 12/11 - Published: 11/20 - Ben T., OC
Nightmare Scars by Redbat132 reviews
After going through some bad dreams, Lea decides to keep her mind off it at the Carnival with her boyfriend. But what happens when a scary villain spoils the fun? Takes place after 'Hopeful Melody' and is collaborated with Alvaxerox.
Crossover - Ben 10 & Green Lantern: The Animated Series - Rated: T - English - Sci-Fi/Drama - Chapters: 5 - Words: 11,200 - Reviews: 11 - Favs: 2 - Follows: 1 - Updated: 12/11 - Published: 11/29 - Max T., No Watch Ben, Hal J., OC - Complete
The Multiversal Oneshot Theatre by MiniTennyson reviews
A dedicated one shot story for each series for everyone to enjoy. Featuring characters from across all corners of fiction interacting with one another like never before. From Fanfiction AU Mergers to Crossovers, this promises to showcase oneshots from Ben 10 to Naruto, this promises to be an unforgettable experience. *Oneshot collection; also on AO3*
Crossover - Ben 10 & X-overs - Rated: T - English - Adventure/Fantasy - Chapters: 8 - Words: 10,324 - Reviews: 8 - Favs: 7 - Follows: 6 - Updated: 12/11 - Published: 9/21 - Ben T., OC
The Ben 10 Crossover Idea Roundtable by MiniTennyson reviews
This is basically an idea collection where I'll post my story ideas for you to vote which one of them will become my next story along with the chance of getting one of these ideas to be your story. EVERYONE IS FREE TO USE ANY OF THOSE IDEAS! IF YOU ARE INTERESTED, PM ME OR REVIEW!
Crossover - Ben 10 & X-overs - Rated: T - English - Adventure - Chapters: 17 - Words: 20,418 - Reviews: 52 - Favs: 11 - Follows: 9 - Updated: 12/11 - Published: 6/5 - Ben T.
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.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 43,919 - Reviews: 137 - Favs: 298 - Follows: 304 - Updated: 12/10 - Published: 8/30/2019 - [Izuku M., Ochako U.]
Sunny 10! by He Who See's reviews
It started when an alien device began to glare, And stuck itself upon her wrist with secrets it did share, Now she's got super powers, She's no ordinary mare, She's Sunny 10! Now if you see her you might be in for a big surprise, She'll turn into an alien before your very eyes! She's tiny, creepy, fast, and strong, She's every shape and size, She's Sunny 10!
Crossover - My Little Pony & Ben 10 - Rated: K - English - Sci-Fi/Adventure - Chapters: 4 - Words: 36,358 - Reviews: 5 - Favs: 1 - Follows: 4 - Updated: 12/9 - Published: 9/18 - Hitch Trailblazer, Sunny Starscout, Zipp Storm, Vilgax
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.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 78 - Words: 1,559,149 - Reviews: 4006 - Favs: 1,784 - Follows: 1,775 - Updated: 12/9 - Published: 11/26/2019 - Kevin, Izuku M., Ochako U., 1-A Students
The Tennyson Priestess Logs by SilverSoulmmc reviews
Side Stories of Yukiko and her family during their summer vacation! Filled with humor, friendship, romance, and lots of property damage!
Crossover - Ben 10 & Persona Series - Rated: T - English - Family/Adventure - Chapters: 22 - Words: 40,782 - Reviews: 57 - Favs: 30 - Follows: 35 - Updated: 12/7 - Published: 12/20/2021 - Ben T., Gwen T., Max T., Yukiko A.
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.
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: 8,812 - Reviews: 17 - Favs: 53 - Follows: 61 - Updated: 12/7 - Published: 11/2 - Ben T., Izuku M., 1-A Students, Melissa S.
Babysit the Batboys by Brightly shadow reviews
Imagine, if Ben and Batman's sons are in a situation where they spend a day together. What would happened on that short amount of time span. Comment at the end if you guys like it. Warning: Foul Language on Jason's behalf. Rated T Follow if you like :D
Crossover - Batman & Ben 10 - Rated: T - English - Humor/Friendship - Chapters: 7 - Words: 9,251 - Reviews: 1 - Favs: 4 - Follows: 4 - Updated: 12/7 - Published: 2/11/2020 - Alfred, Bruce W./Batman, Azmuth, Ben T.
Galactic Shift Extend: Side Stories by Seanzilla1988 reviews
A series of side stories featuring the many characters and series within Galactic Shift Extend's universe.
Crossover - X-overs & Ben 10 - Rated: T - English - Chapters: 22 - Words: 328,419 - Reviews: 110 - Favs: 88 - Follows: 76 - Updated: 12/6 - Published: 8/17/2020
Galactic Shift Extend by Seanzilla1988 reviews
A familiar Beastkin goes through a familiar abandoned Cauldron. However, she doesn't end up in another timeline, but Bellwood, home to a teen with a watch he wears on his arm that can change his shape to save the world from harm.
Crossover - Ben 10 & BlazBlue - Rated: T - English - Chapters: 87 - Words: 1,336,386 - Reviews: 1123 - Favs: 325 - Follows: 327 - Updated: 12/6 - Published: 5/25/2019 - [Ben T., Makoto]
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: 50 - Words: 417,070 - Reviews: 687 - Favs: 1,019 - Follows: 1,026 - Updated: 12/6 - Published: 1/25/2020 - Lucy M., Izuku M., Ochako U., Momo Y.
Naruto o Pesquisador do Omnitrix by KiritoUzumaki700
Naruto Encontra o Omnitrix e Pesquisa Sobre ele Para Descobrir Seus Misterios, Enquanto Esconde de sua familia e todos que Conhece sobre a Existencia Desse Dispositivo, Enquanto de uma forma Espetacula Naruto faz uma Nova vida de aventuras e Descobertas para Fora de Seu Planeta Natal e indo Rumo para as Estrelas no Espaço.
Crossover - Naruto & Ben 10 - Rated: K+ - Portuguese - Adventure/Sci-Fi - Chapters: 3 - Words: 30,118 - Favs: 5 - Follows: 4 - Updated: 12/6 - Published: 2/20 - Naruto U., Azmuth
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