Ben 10 Crossovers
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Omni-Piece by The True Writer. Zerthin reviews
A Ben 10/One Piece crossover; I woke up this morning with this on my mind, and I had to share it with you all! I hope you enjoy. It's going to be a task I hope you'll enjoy. [Bonus: Ben will have the Ultimatrix (Well an O.C version called the M-Model; He also has the Haki's; all three. but he'll have to get training to access them full time)]
Crossover - One Piece & Ben 10 - Rated: K - English - Adventure/Fantasy - Chapters: 33 - Words: 55,536 - Reviews: 117 - Favs: 130 - Follows: 128 - Updated: 4h - Published: 12/22/2019 - Luffy, Zoro, Sanji, Ben T.
Ben 10: dragon rider by psytoro7 reviews
A old idea I had last sically Ben as a dragon rider
Crossover - Ben 10 & How to Train Your Dragon - Rated: K - English - Chapters: 1 - Words: 1,505 - Reviews: 1 - Published: 11h - Ben T., Ruffnut, Tuffnut - Complete
Omni Justice by Anime Crossovers reviews
What happens when Ben 10, hero of heroes, is thrown into the Null Void but when he get's out, he finds himself in a complete new world. With its own heroes and villains.
Crossover - Ben 10 & Young Justice - Rated: T - English - Adventure/Supernatural - Chapters: 9 - Words: 73,836 - Reviews: 146 - Favs: 324 - Follows: 388 - Updated: 13h - Published: 8/7/2021 - Ben T., Artemis C./Artemis, Megan M./Miss Martian, Zatanna Z.
Justice Force:Invasions by Quillion9000 reviews
After the events of Justice Force, things have been quieter. The Light is attempting to make more subdued moves after their string of loses to the team. That's all about to change as Max Tennyson goes missing after being hot on the trail of unrelated alien activity on earth. Now, the team will be drawn in to investigate while trying to locate the formerly retired Plumber.
Crossover - Ben 10 & Young Justice - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 33,345 - Reviews: 29 - Favs: 43 - Follows: 47 - Updated: 15h - Published: 2/21 - [Ben T., Megan M./Miss Martian] Cameron M./Icicle Jr., Richard G./Robin
Adventure in marvel by Ben 1000000 reviews
Alex got reborn in marvel after his death now determined to live a fun and meaningful live watch as how he explores marvel multiverse
Crossover - Marvel & Ben 10 - Rated: T - English - Chapters: 3 - Words: 5,519 - Reviews: 3 - Favs: 7 - Follows: 7 - Updated: 2/25 - Published: 2/21
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: 64 - Words: 1,245,076 - Reviews: 3056 - Favs: 1,456 - Follows: 1,453 - Updated: 2/25 - Published: 11/26/2019 - Kevin, Izuku M., Ochako U., 1-A Students
Ben 10: Testament of Sister New Devil by Hero Time 81 reviews
What if Paradox got to Mio and Maria weeks before Jim did? How much will Ben's life change when he gets two little demon sisters? Join Ben, Mio and Maria in their adventure throughout the Omniverse. Ben x Mio x Maria. Rated M for lemons in later chapters.
Crossover - Ben 10 & Testament of Sister New Devil/新妹魔王の契約者 - Rated: M - English - Supernatural/Romance - Chapters: 1 - Words: 2,999 - Reviews: 5 - Favs: 18 - Follows: 22 - Published: 2/24 - [Ben T., Mio N., Maria N.] Rook
The Mandalorian: The Chronicles of Lun 10-Season 1 by Vgn Golley reviews
Luna Loss was just your average little girl until one day she got kidnapped by an alien warlord after obtaining a small, watch-like device that grants her the ability to transform into aliens. After escaping him and getting lost in space for two years, Luna had lost all hope of going back home...but maybe a certain Mandalorian and an alien baby Jedi could help her go back home.
Crossover - Ben 10 & Mandalorian - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 292,020 - Reviews: 35 - Favs: 48 - Follows: 42 - Updated: 2/24 - Published: 12/23/2020 - OC, The Mandalorian/Din Djarin, The Child/baby yoda
Ten Times The Hero by Hornets88 reviews
Izuku Midoriya is about to give up on his dreams of heroism when a teenager clad in a green jacket and a man claiming to be a professor break into his room in broad daylight. Ben Tennyson and Professor Paradox have travelled to the My Hero universe in order to find a worthy successor to wield the Omnitrix once Ben passes... and they firmly believe Izuku is worthy to inherit it.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 72,418 - Reviews: 85 - Favs: 215 - Follows: 304 - Updated: 2/24 - Published: 9/28/2021 - [Izuku M., Kyoka Jiro] Toshinori Y./All Might, 1-A Students
Re: Starting Life In Another World From One Zero by Crossoverist reviews
A crossover in which the events of Ben 10 and Re:Zero connect, with Kenichi joining Subaru that night he went to the convenience store. While walking back, something happens, but it isn't related to the Witch. Instead, a pod appears out of now where, containing a watch.
Crossover - Ben 10 & Re:Zero - Rated: K+ - English - Fantasy/Sci-Fi - Chapters: 4 - Words: 15,037 - Reviews: 28 - Favs: 57 - Follows: 60 - Updated: 2/24 - Published: 5/27/2021
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: 6 - Words: 36,227 - Reviews: 42 - Favs: 49 - Follows: 55 - Updated: 2/24 - Published: 1/7 - Ben T., Itadori Y., Kugisaki N., Megumi F.
Prime by Rolaplayor101
Ben finds himself in another world that's practically empty outside of the occasional bad guy, but is quickly found by a guy named Rex with extraordinary powers and his hooded partner who doesn't talk a lot. Together, they have to uncover the mystery of how they all got there and unlock a way out of the desolate city. (Reboot Ben, Ben UAFO/Rex, humor and family dynamics, scifi)
Crossover - Ben 10 & Generator Rex - Rated: K+ - English - Adventure/Romance - Chapters: 2 - Words: 5,112 - Updated: 2/24 - Published: 2/14 - [Ben T., Rex S.]
Ben 10 Hero of Heroes by Southparkfan234 reviews
A few years after fighting off the Highbreed invasion Ben is left without any true challenges and with most of his friends and family having moved on with their lives he decides to visit a new universe one full of heroes and villains.
Crossover - Ben 10 & Justice League - Rated: T - English - Adventure/Friendship - Chapters: 6 - Words: 21,633 - Reviews: 27 - Favs: 61 - Follows: 76 - Updated: 2/24 - Published: 12/2/2021
Naruto Universe by fananime331 reviews
Un niño condenado por cosas que estaban fuera de su control...escapando para salvar su vida...sin esperar a encontrarse con un ser de otro mundo que lo lleva a nuevos mundos completamente desconocidos y misteriosos para el niño...que le esperara para el futuro (aun se decide si es harem o no)
Crossover - Naruto & Ben 10 - Rated: M - Spanish - Adventure - Chapters: 7 - Words: 149,071 - Reviews: 57 - Favs: 57 - Follows: 69 - Updated: 2/23 - Published: 1/12 - Naruto U., Ben T.
Ben 10 and Star vs the Ultimate Forces of Evil by VanguardLuard reviews
The story of Ben and Star continues
Crossover - Ben 10 & Star Vs. The Forces of Evil - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 38 - Words: 94,893 - Reviews: 247 - Favs: 187 - Follows: 156 - Updated: 2/23 - Published: 1/18/2019 - [Ben T., Star B.] [Kevin, Gwen T.]
Humanity and Heroes by Katariina Mariad
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: 8 - Words: 17,761 - Updated: 2/23 - Published: 1/5 - Jenrya L./Henry W., Albedo
Ben 10: Out Of The Spotlight by waterboy3 reviews
After getting in a fight with an old enemy Ben Tennyson wakes up in a world where everyone has superpower and no one seems to remember him, how will he cope with his new lot in life and how will he cope with everyone he knew living on without him.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Supernatural/Sci-Fi - Chapters: 6 - Words: 17,817 - Reviews: 28 - Favs: 64 - Follows: 79 - Updated: 2/22 - Published: 7/22/2021 - Ben T., Izuku M., Toshinori Y./All Might, Katsuki B.
Ultimate10 Story Ideas by Ultimate10 reviews
From the writer of "Ultimate Fairy", the writer is requesting feedback and suggestions for 3 potential story concepts.
Crossover - X-overs & Ben 10 - Rated: K - English - Chapters: 1 - Words: 770 - Reviews: 38 - Favs: 6 - Follows: 5 - Published: 2/22 - Complete
Ben 10 y Justicia Joven Crossover by Victorius10K reviews
Ben Tennyson se da cuenta de que no esta en su dimensión y no recuerda como llego ahí, Ahora con un "Nuevo" Omnitrix y con nuevos amigos deberá defender este mundo y tratar de recordar como llego ahí o por que su Omnitrix volvió a cambiar.
Crossover - Ben 10 & Young Justice - Rated: K+ - Spanish - Sci-Fi/Adventure - Chapters: 13 - Words: 115,199 - Reviews: 25 - Favs: 18 - Follows: 20 - Updated: 2/22 - Published: 9/12/2021 - Ben T., Kaldur/Aqualad, Megan M./Miss Martian, Richard G./Robin
Ben 10: Kamen Rider OmniX by Chris Chronos
After three years of using Ultimatrix, the device went wild and leaked the DNA from Codon Stream into Ben's body, resulting in a serious mutation. But the new Omnitrix suppressed the mutation. In the fight with Eon, Ben was sent into Kamen Rider Build universe. Sento Kiryu built an Omni-belt for Ben. Ben Tennyson now began his journey as Kamen Rider OmniX to fight the evil!
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 14,477 - Favs: 11 - Follows: 11 - Updated: 2/22 - Published: 2/7 - Ben T., Tsukasa K./Decade
The Osmosian And Anodite by Avidfanficshipper reviews
Gwen Tennyson and Kevin Levin find themselves in the DC Universe. Follow them as they find themselves in a world with Gods walking among men, Superheroes wearing capes, Supervillains and Metahumans. And why does Professor Paradox gives Kevin an Ultimatrix. I own nothing, all belong to their respective owners.
Crossover - Ben 10 & DC Superheroes - Rated: M - English - Romance/Drama - Chapters: 1 - Words: 2,795 - Reviews: 1 - Favs: 3 - Follows: 3 - Published: 2/21 - Kara Z./Supergirl, H. Quinn, Gwen T., Kevin
Justice League: Dimensional Warfare by Dark Mage Wyvern Lord reviews
After the defeat of the Rooters, Ben thought life could only get easier. However not long after meeting a strange girl, the Wielder of the Omnitrix is caught up in a war against a tyrant once considered to be a hero. Non suicidal Ben story. BenXBarbara Gordon experiment.
Crossover - Justice League & Ben 10 - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 13 - Words: 69,241 - Reviews: 128 - Favs: 314 - Follows: 307 - Updated: 2/21 - Published: 8/21/2017 - [Barbara Gordon/Batgirl/Oracle, Ben T.]
Justice Force by Quillion9000 reviews
Ever since Ben got his watch, he's been watched by the heroes of this world. Now, a decision has been reached concerning his and his cousin's future. Really, they may as well be heroes, but when you are a child equipped with the most powerful weapon in the universe, that raises hesitation.
Crossover - Ben 10 & Young Justice - Rated: T - English - Adventure/Sci-Fi - Chapters: 33 - Words: 187,817 - Reviews: 277 - Favs: 170 - Follows: 181 - Updated: 2/21 - Published: 11/26/2021 - [Ben T., Megan M./Miss Martian] [Gwen T., Conner K./Superboy] - Complete
Black Bull's Quartet Wreckers by Artzilla406
Long ago, a powerful and ruthless demon threaten the realm, humanity was in the brink of destruction. However a lone mage accompanied with eight magic knights, vanquish the demon with all their might. After their triumph the lone mage was crown the wizard king and the eight wizards disappeared, now four new wizards will step forward and take the path to become the wizard kings.
Crossover - Ben 10 & Black Clover/ブラッククローバー - Rated: M - English - Fantasy/Adventure - Chapters: 1 - Words: 19,803 - Favs: 3 - Follows: 4 - Published: 2/21
Bleach: Ultimate Alien Remake by Bigby the Big Bad Wolf reviews
It was a peaceful day in Bellwood and Ben is bored out of his mind, until a mysterious man arrives and sends him to another universe. Landing in the desert sands of Hueco Mundo, Ben meets the mysterious yet charismatic Aizen, who requests his help in a war in exchange for helping Ben get home. What's a hero to do?
Crossover - Bleach & Ben 10 - Rated: T - English - Supernatural/Sci-Fi - Chapters: 16 - Words: 142,034 - Reviews: 486 - Favs: 670 - Follows: 667 - Updated: 2/21 - Published: 6/6/2015 - S. Aizen, T. Harribel, C. Stark, Ben T.
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