Ben 10 Crossovers
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Endings are often new beginnings by UnionLife reviews
In this universe Ben and Gwen are Jedi Knights during the Clone Wars. As the darkness envelops the galaxy and the sith grand plan is nearly put into effect. Will Ben and Gwen survive and whats with this planet in the unknown regions that seems to call them.
Crossover - Star Wars & Ben 10 - Rated: T - English - Adventure - Chapters: 14 - Words: 96,143 - Reviews: 2 - Favs: 12 - Follows: 13 - Updated: 4h - Published: 10/22/2021 - [Ben T., Gwen T.] OC
Ben Tennyson : From Outcast to Herald by dannyrockon122 reviews
" My name is Ben Tennyson and I been in the Shadow of famous alien shadow shifiting cousin Gwen but I was chosen by a being from another reality who is trying to prevent a crisis from happening."
Crossover - DC Superheroes & Ben 10 - Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 20,599 - Reviews: 41 - Favs: 58 - Follows: 57 - Updated: 7h - Published: 11/1/2021
Kingdom Omniverse 15 HD (English rewrite) by Roxas25 reviews
A rewrite of my first story on this site, this version is in english. (Ben new omnitrix has the ultimate forms)
Crossover - Ben 10 & Kingdom Hearts - Rated: T - English - Adventure/Fantasy - Chapters: 7 - Words: 21,674 - Reviews: 6 - Favs: 9 - Follows: 8 - Updated: 12h - Published: 1/18 - Ben T., Sora, Goofy, Donald Duck
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: 9 - Words: 51,810 - Reviews: 46 - Favs: 53 - Follows: 58 - Updated: 21h - Published: 2/21 - [Ben T., Megan M./Miss Martian] Cameron M./Icicle Jr., Richard G./Robin
The Royal We by Darthkvzn reviews
Fresh from surviving the coup that took the lives of their parents, Akiridion Royals Aja and Krel Tarron need a place to lay low, and SWORD believes that can be Arcadia, under Ben 10's protection. Ben's pretty sure he can handle it, after taking down Vilgax, but the heirs to the Akiridion throne might draw in their own trouble... (a sequel to Changing of the Guard, multicrossover)
Crossover - Ben 10 & 3Below: Tales of Arcadia - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 10,441 - Reviews: 8 - Favs: 13 - Follows: 18 - Updated: 21h - Published: 1/20 - Ben T., Julie Y., Princess Aja Tarron, Prince Krel Tarron
True Omniverse by CMXB reviews
In the vast omniverse some have seen many different Bens with omnitrix were but now it's time to show the others.
Crossover - Ben 10 & X-overs - Rated: M - English - Adventure/Sci-Fi - Chapters: 35 - Words: 32,499 - Reviews: 147 - Favs: 47 - Follows: 34 - Updated: 23h - Published: 11/27/2021
Ben 10 & She-Ra Heroes of Power by Hero Central reviews
An investigation into space time anomalies lands Ben Tennyson and his partner Rook Blonko on the mysterious and magical planet of Etheria, they cross paths with Adora and her friends and choose to do what they can to free Etheria from the tyrannical grip of the Horde. Its Hero time,For the Honour of Greyskull!
Crossover - Ben 10 & She-Ra and the Princesses of Power - Rated: T - English - Friendship/Supernatural - Chapters: 18 - Words: 249,713 - Reviews: 354 - Favs: 255 - Follows: 252 - Updated: 3/5 - Published: 10/18/2020 - Ben T., Rook, Adora/She-Ra, Princess Glimmer
James Harem 2 by GreyKing46 reviews
It has been two years since Brother Blood. Two years since the Titan's went their own ways. To learn, to train, to grow stronger. Now they return, stronger than ever, as their greatest challenges look just over the horizon. No longer Teens, they are the Titan's. And they will fight together, until the the end. James(OC)XHarem. NightwingXDuela. ChangelingXHarem. CyberianXSarah
Crossover - Teen Titans & Ben 10 - Rated: M - English - Adventure/Romance - Chapters: 91 - Words: 485,604 - Reviews: 951 - Favs: 488 - Follows: 458 - Updated: 3/4 - Published: 4/21/2018 - [OC, Starfire, Raven, Jinx]
Heroes Never Die It's Hero Time, Anytime by CreateGunner1209 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: 24 - Words: 70,095 - Reviews: 215 - Favs: 108 - Follows: 110 - Updated: 3/4 - Published: 8/11/2021 - Izuku M., Ochako U., 1-A Students
Ben 10 x RWBY: Of Gemstones and Watches by Transwiththeplans reviews
In an alternate timeline, Ben and Ruby work together to uncover a mysterious plot that may threaten their lives, and the planet as a whole. (Cover by elmike)
Crossover - Ben 10 & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 89 - Words: 583,789 - Reviews: 300 - Favs: 419 - Follows: 435 - Updated: 3/3 - Published: 12/26/2018 - [Ben T., Ruby R.] OC
Ben 10 Alien Ninja by Ciel Binns reviews
Ben Tennyson is growing up in a ninja village along side his best friend Naruto Uzumaki, but he's got a secret that only a few people know about, he's the wielder of the most powerful device in the universe, the Omnitrix. Watch as he battles ferocious beasts, alien warlords, cursed ninjas, and so much more while experiencing love in all the right places.
Crossover - Ben 10 & Naruto - Rated: K - English - Romance/Adventure - Chapters: 1 - Words: 10,309 - Reviews: 1 - Favs: 12 - Follows: 11 - Published: 3/3
My Alien Academia by The Incredible Muffin reviews
Some worthy souls are chosen to carry the mantle of great heroes. Sometimes, this is destiny. Other times, it's all about being in the right universe, at the right time, chosen by the right watch.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Friendship - Chapters: 43 - Words: 389,240 - Reviews: 1334 - Favs: 2,072 - Follows: 2,176 - Updated: 3/3 - Published: 11/26/2019 - Ben T., Izuku M.
Amalgamation part 2: High spirits by epic insanity666 reviews
Summer Vacation over, his family grown beyond expected, Kenneth Tennyson moves to settle down and get his future plans started... if only a certain cyclops hadn't sent him on a one man mission to Japan filled with soul eating demons, wild magic trying to escape oh and dead people... dead people everywhere. Well, this will be interesting. Harem story
Crossover - Bleach & Ben 10 - Rated: M - English - Adventure/Supernatural - Chapters: 13 - Words: 27,123 - Reviews: 2 - Favs: 26 - Follows: 30 - Updated: 3/3 - Published: 12/31/2021 - [OC, T. Harribel, Yoruichi S.]
The Mandalorian: The Chronicles of Lun 10- Original Series 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: 13 - Words: 326,590 - Reviews: 40 - Favs: 48 - Follows: 42 - Updated: 3/2 - Published: 12/23/2020 - OC, The Mandalorian/Din Djarin, The Child/baby yoda
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: 2 - Words: 8,749 - Reviews: 13 - Favs: 30 - Follows: 36 - Updated: 3/2 - Published: 2/24 - [Ben T., Mio N., Maria N.] Rook
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: 9 - Words: 19,010 - Updated: 3/2 - Published: 1/5 - Jenrya L./Henry W., Albedo
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: 17 - Words: 148,330 - Reviews: 506 - Favs: 676 - Follows: 675 - Updated: 3/2 - Published: 6/6/2015 - S. Aizen, T. Harribel, C. Stark, Ben T.
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: K+ - English - Chapters: 4 - Words: 7,875 - Reviews: 3 - Favs: 12 - Follows: 11 - Updated: 3/1 - Published: 2/21
Ben 10 Multiforce by The Wordsmith Myth reviews
Ben Tennyson is a year older and wiser. The Earth is relatively safe. But when Albedo escaped and steals one of Azmuth's devices to exit this Omniverse and go to another one Ben is called in to stop him. Failing that Ben must follow Albedo and attempt to recapture him. Enjoy this continuation of the classic continuity of Ben 10 and where I think it would be fun to take it.
Crossover - X-overs & Ben 10 - Rated: T - English - Adventure - Chapters: 2 - Words: 5,606 - Reviews: 11 - Favs: 15 - Follows: 17 - Updated: 3/1 - Published: 2/2/2021
Two Frosty Brothers And The Singer by GoldGuardian2418 reviews
Lea goes to practice her guitar playing and singing somewhere private yet with awesome acoustics: Way Big and his brother's caves. But what happens when someone (make that two someones) overhears her performance? Done as a request for and co-written with Redbat132. :)
Crossover - Ben 10 & Rise of the Guardians - Rated: K+ - English - Friendship/Family - Chapters: 1 - Words: 3,152 - Reviews: 2 - Favs: 5 - Follows: 2 - Published: 2/28 - Complete
DC Super Omni-Kid by Feedbackblast18 reviews
When a 10-year-old boy, who had moved to Metropolis, discovered the most powerful DNA device in the Universe, a new kind of hero is created! Dan Tennyson is ready to take on anything the Universe throws at him! With the help from his family and some other superheroes, Dan might has what take to be the greatest hero of them all! But it doesn't mean he can't get into trouble.
Crossover - Ben 10 & DC Super Hero Girls - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 3 - Words: 18,862 - Reviews: 5 - Favs: 20 - Follows: 21 - Updated: 2/28 - Published: 12/31/2021 - Max T., OC, Barbara G./Batgirl, Wonder Woman
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: 2 - Words: 42,051 - Favs: 3 - Follows: 4 - Updated: 2/28 - Published: 2/21
My alien academia vol 1 by Wolfdrake29 reviews
while training to get into UA Izuku came across the Omnitrix and his world gotten a lot bigger and now he has to master both the watch and one for all to become a hero like his idol All might but can he make the cut? find out. Izuku/harem mixing with some DC characters and a few other surprises and a bit dark toned. (On hold)
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 41,699 - Reviews: 45 - Favs: 129 - Follows: 157 - Updated: 2/28 - Published: 2/2/2021 - Lucy M., Izuku M., Momo Y.
Awakening of the Omnitrix by Arsenal597 reviews
Following the abrupt retirement of Ben Tennyson as the wielder of the Omnitrix young Naruto Uzumaki is chosen as the next one to wield it. With a new hero wearing the Omnitrix, new and old enemies will make their appearance and test Naruto. Thankfully, Naruto doesn't give up without a hell of a fight. It's Hero Time. Smart/Powerful Naruto Good Sasuke UNKNOWN PAIRING
Crossover - Naruto & Ben 10 - Rated: T - English - Sci-Fi/Humor - Chapters: 12 - Words: 32,071 - Reviews: 86 - Favs: 104 - Follows: 107 - Updated: 2/28 - Published: 12/15/2020 - Naruto U., Sasuke U., Azmuth, Ben T.
Gravity Falls: Ken 10 by GokaiSilver3511 reviews
Spending their Summer Break with their Uncle Stan in Gravity Falls. Ken thought he was going to have a boring Vacation. Until, one day. An Alien Watch clash on Earth and attached to his wrist. With it, Ken can turn into 10 Alien Heroes to help people. With Dipper, Mabel and Diana by his side. They going to solve the mystery of Gravity Falls and the Watch. Rated T to be Safe
Crossover - Ben 10 & Gravity Falls - Rated: T - English - Adventure/Supernatural - Chapters: 5 - Words: 30,894 - Reviews: 24 - Favs: 36 - Follows: 31 - Updated: 2/27 - Published: 3/17/2021 - OC, Dipper P., Mabel P.
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