Ben 10 Crossovers
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Ben 10: Heroverse by RedVitBR reviews
What would happen if the greatest hero in the universe... was stuck in a world of heroes just as amazing as him? Follow the story of the new Alien Hero. Watch him make a great many friends! And just as many enemies. Only time will truly tell how both universes will be shaped by the arrival and absence of this teen hero.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 9 - Words: 59,649 - Reviews: 75 - Favs: 171 - Follows: 206 - Updated: 12/31/2023 - Published: 3/23/2023 - Ben T., Gwen T., Izuku M., Toshinori Y./All Might
Ten Piece by Spartan of Chaos reviews
Ben Tennyson and his team are in for the adventure of a lifetime when Professor Paradox sends them on a mission to aid the Straw Hat Pirates in finding the legendary treasure One Piece and help Monkey D. Luffy achieve his dream of becoming the Pirate King. But, old enemies plot their return.
Crossover - One Piece & Ben 10 - Rated: T - English - Sci-Fi/Adventure - Chapters: 25 - Words: 178,539 - Reviews: 234 - Favs: 497 - Follows: 463 - Updated: 12/29/2023 - Published: 12/12/2016 - Luffy, Zoro, Ben T., Vilgax
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: 23 - Words: 151,945 - Reviews: 27 - Favs: 46 - Follows: 43 - Updated: 12/29/2023 - Published: 9/21/2023 - Princess Celestia, Sunset Shimmer, Ben T., Max T.
Harrison Tennyson by spitfyre1 reviews
After Vernon went too far one day Harry found himself a new family, meet Harrison Tennyson, hero, plumber. How will he handle his new responsibilities as a world he left behind wants him back eventually Pairing HP/GT/KE and potentially more.(FEM! Kevin)
Crossover - Harry Potter & Ben 10 - Rated: T - English - Romance/Adventure - Chapters: 6 - Words: 19,407 - Reviews: 47 - Favs: 362 - Follows: 412 - Updated: 12/29/2023 - Published: 11/9/2021 - [Harry P., Gwen T., Kevin]
A Tennyson Christmas by I craft experiences reviews
Natasha gets invited to the Tennyson Christmas get together. Surely nothing can go wrong, right? How can the Black Widow handle meeting the Tennyson family for the first time? Oneshot set in the AOM Universe (Caution: Rated S for Sappy)
Crossover - Ben 10 & Avengers - Rated: T - English - Humor/Friendship - Chapters: 1 - Words: 6,906 - Reviews: 1 - Favs: 15 - Follows: 11 - Published: 12/29/2023 - Ben T., Gwen T., Max T., Black Widow/Natasha R. - Complete
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: 83 - Words: 1,171,211 - Reviews: 1645 - Favs: 682 - Follows: 641 - Updated: 12/29/2023 - Published: 4/4/2021 - [Ben T., Yang X.L.] Gwen T., Ruby R.
Ben 10: The Quincy War by Shinobi360 reviews
When 18-year-old Ben Tennyson stumbles into the Wandenreich, he becomes the target of Yhwach's formidable Quincy forces, the Sternritters. In a fierce clash, Ben overpowers some of the deadliest Sternritters, only to be captured and held captive. As he awakens in the heart of a thousand-year war between realms, he faces an impossible choice: (Full Summary inside Chapter 0 and 1)
Crossover - Ben 10 & Bleach - Rated: T - English - Supernatural/Drama - Chapters: 3 - Words: 33,461 - Reviews: 53 - Favs: 94 - Follows: 98 - Updated: 12/28/2023 - Published: 10/29/2023 - Ben T., Bambietta B., Candice C., Ichigo K.
Omni Violet(Aged Up Lemon fic) by TheAnonymousAuthor69 reviews
After an unfortunately messy mission, a much older Benjamin Tennyson and Violet Oarr try to take a bath together. Yes it is as weird as it sounds. (Ben Tennyson inspired by 5yl and Violet Parr inspired by Gewd Boi. Both characters are in their early 20's)
Crossover - Ben 10 & Incredibles - Rated: M - English - Romance/Humor - Chapters: 1 - Words: 1,724 - Reviews: 4 - Published: 12/27/2023 - Violet P., Ben T. - Complete
Defenders of Reality: Fate's Last Stand by Shinobi360 reviews
As the Holy Grail War commences, the rogue Chronosapien Maltruant forms an alliance with villains Gilgamesh, Shinji and Kirei, one which threatens the multiverse itself. But with the likes of Shirou, Saber, Jeanne, Rin, Sakura and Maltruant's greatest adversary, Ben Tennyson,can all of existence be saved? Or will it be lost forever?
Crossover - Ben 10 & Fate/stay night - Rated: T - English - Supernatural/Sci-Fi - Chapters: 2 - Words: 21,927 - Reviews: 29 - Favs: 59 - Follows: 65 - Updated: 12/27/2023 - Published: 9/21/2023 - Ben T., Saber, Jeanne d'Arc, Rin T.
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: 9 - Words: 43,277 - Reviews: 27 - Favs: 31 - Follows: 27 - Updated: 12/27/2023 - Published: 4/20/2023 - Ben T., Steven U., Dr. Animo, Kevin
Lincoln 11 by TheMasterBlacksmith reviews
Kevin Levin has been missing for years, presumed dead. Ken Tennyson doesn't think so, and travels to Earth to look for clues. He stumbles across a large family, the only son of which has the peculiar ability to make his body take on the properties of any solid material he touches... (Adopted Lincoln AU)
Crossover - Ben 10 & Loud House - Rated: K+ - English - Chapters: 7 - Words: 10,491 - Reviews: 24 - Favs: 23 - Follows: 24 - Updated: 12/27/2023 - Published: 7/30/2023 - Ken T., The Loud Family
Girl Of Action by Fanfic Productions 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: 2 - Words: 21,406 - Reviews: 7 - Favs: 7 - Follows: 10 - Updated: 12/27/2023 - Published: 12/11/2023 - Vilgax, Inko M., Izuku M., OC
Ben 10-Justice League: The Series by darkstorm1364 reviews
Ben Tennyson was abducted by aliens when he was 10 years old after accidentally received the Omnitrix, but then got rescued by Tetrax. He also brought Rook Blonko with his side. Both Ben and Rook are orphans, where Tetrax trained them to become the Galactic Guardians. Then after reaching his teen years, he received the Ultimatrix and recruiting more members.
Crossover - Justice League & Ben 10 - Rated: T - English - Adventure/Drama - Chapters: 22 - Words: 193,885 - Reviews: 133 - Favs: 317 - Follows: 297 - Updated: 12/27/2023 - Published: 6/7/2020 - [Linda L./Kara Zor-El/Supergirl, Ben T.] Clark K./Kal-El/Superman, Rook
Ben 10: Remastered by Ciel Binns reviews
Ben Tennyson is your average 15 year old, but what happens when he finds the strongest device in the universe. Will he be able to do what it takes to rise to the occasion as a hero or will he fail, before he can even begin
Crossover - Ben 10 & Marvel - Rated: K+ - English - Adventure/Romance - Chapters: 26 - Words: 219,509 - Reviews: 122 - Favs: 147 - Follows: 160 - Updated: 12/27/2023 - Published: 3/13/2023 - [Ben T., Charmcaster/Hope] [Gwen T., Kevin]
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: 78 - Words: 490,665 - Reviews: 129 - Favs: 146 - Follows: 138 - Updated: 12/26/2023 - Published: 12/31/2022 - [Ochako U., Izuku M.] Ben T., Tenya I.
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: 164 - Words: 1,267,046 - Reviews: 499 - Favs: 652 - Follows: 629 - Updated: 12/26/2023 - Published: 12/26/2018 - [Ben T., Ruby R.] OC
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: 21 - Words: 290,655 - Reviews: 1210 - Favs: 1,444 - Follows: 1,408 - Updated: 12/26/2023 - Published: 12/5/2021 - Ben T., Erza S.
Ben 10: Rising of the Shield Hero by Chris Chronos reviews
In a twist of fate, Ben Tennyson, the powerful Omnitrix wielder from Dimension 2040, 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: 33 - Words: 243,041 - Reviews: 195 - Favs: 360 - Follows: 389 - Updated: 12/25/2023 - Published: 1/21/2022 - Ben T., OC, Firo, Melty
Spirit Warrior in Shinigami Universe by Sharky Monster
What's happened when Dante entered Inside the Shinigami Universe, in place of his own Universe. This is the fight between the good and bad. Dante vs Benzarro.
Crossover - Ben 10 & Bleach - Rated: T - English - Romance/Mystery - Chapters: 2 - Words: 8,973 - Favs: 2 - Follows: 3 - Updated: 12/25/2023 - Published: 12/23/2023 - Charmcaster/Hope, Nega Ben
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: 100 - Words: 425,925 - Reviews: 58 - Favs: 48 - Follows: 45 - Updated: 12/25/2023 - Published: 10/13/2023 - Ben T., Wanda/Scarlet Witch, C. Danvers/Ms. Marvel/Captain Marvel, Emma Frost/White Queen
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: 86 - Words: 390,234 - Reviews: 34 - Favs: 51 - Follows: 40 - Updated: 12/25/2023 - Published: 6/26/2018 - Lincoln L., Luna L., OC, Ronnie Anne S.
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: 16 - Words: 160,359 - Reviews: 73 - Favs: 74 - Follows: 81 - Updated: 12/24/2023 - Published: 6/18/2022 - Ben T., Genos, OC
Aliens Among Witches by Rodimus973 reviews
Luz isn't the only one who ends up going to the Boiling Isles. She is joined by her cousin, Miguel Noceda, who possesses an alien watch he found many days ago and it lets him transform into different aliens. With Luz and his Witch friends by his side, Miguel will learn many secrets and use the Omnitrix to battle many foes that intend to cause great harm to him and his loved ones.
Crossover - Ben 10 & Owl House - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 3,262 - Reviews: 4 - Favs: 19 - Follows: 19 - Published: 12/24/2023 - [OC, Skara] Vilgax, Luz N.
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: 2 - Words: 1,259 - Reviews: 13 - Favs: 43 - Follows: 73 - Updated: 12/24/2023 - Published: 12/16/2023
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: 89 - Words: 1,853,861 - Reviews: 4806 - Favs: 2,129 - Follows: 2,112 - Updated: 12/24/2023 - Published: 11/26/2019 - Kevin, Izuku M., Ochako U., 1-A Students
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