Ben 10 Crossovers
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Adventure in marvel new version by Ben 1000000 reviews
Benjamin who was a very big fan of ben 10 got reborn in marvel after his death now determined to live a fun and meaningful live but it all goes down the drain when he sees that he was in marvel now scared to death for him and family ben had lost all hope but when he get omnitrix it all changes well as much as it can change, there is not much that one person can do alone.
Crossover - Marvel & Ben 10 - Rated: M - English - Chapters: 4 - Words: 7,955 - Reviews: 6 - Favs: 26 - Follows: 28 - Updated: 11/25 - Published: 8/29
Ben 10 the shifter by Ben 1000000 reviews
I looked around and saw that there were not that many ben 10 x mha with ben having the omnitrix like there were only 27 out of 100 story with just ben and in 2 of then ben didn't have omnitrix. In this ben dies of old age at 110 and is reborn in mha world, and due to certain circumstances ben will have to be a hero again, ben will help the next gen of hero in his own wayEXPERIMENT
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Chapters: 8 - Words: 45,333 - Reviews: 11 - Favs: 57 - Follows: 61 - Updated: 11/24 - Published: 7/30 - Ben T., 1-A Students, 1-B Students
the omni-hero in acadamy by Artzilla406 reviews
Austin has been ben's wing for being a hero, but then he sacrifice himself and now he is a world, filled with heroes and villans, how will Austin handle this? Austin harem with female Katsuki, izuku and shoto
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Romance/Fantasy - Chapters: 19 - Words: 233,498 - Reviews: 15 - Favs: 74 - Follows: 70 - Updated: 11/24 - Published: 3/1/2018
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: 54 - Words: 51,836 - Reviews: 219 - Favs: 64 - Follows: 47 - Updated: 11/24 - Published: 11/27/2021
The Hiccup Cup Group Project by PKMN37 reviews
This is an anthology story of some of our favorite characters given the hiccups through a mysterious, shape-shifting chalice. The Hiccup Cup can take the form of any cup, from plastic to its original iron form. Its origins are unknown but some believe that it was created by a hiccup-loving wizard of a faraway kingdom to give the women of the town hiccups at will.
Crossover - Ben 10 & Pokémon - Rated: M - English - Chapters: 34 - Words: 99,649 - Reviews: 6 - Favs: 10 - Follows: 5 - Updated: 11/24 - Published: 5/29/2019 - Ash K./Satoshi, Misty/Kasumi, Gwen T., Julie Y.
Emi 10 by SilverSoulmmc reviews
Emi Sendou expected this to be a normal school trip to spend with her best friends. To eat roasted marshmallows, build tents, tell scary stories, and find an alien watch that fell from space! Wait what...? (This is a silly idea, but please give it a read).
Crossover - Ben 10 & Cardfight!! Vanguard/CARDFIGHT!! ヴァンガード - Rated: T - English - Adventure/Sci-Fi - Chapters: 20 - Words: 91,761 - Reviews: 24 - Favs: 28 - Follows: 27 - Updated: 11/24 - Published: 5/7/2021 - Emi S., OC, Rekka T., Mai T.
Nemesis 10 by S4ltmaster64 reviews
It's another sociopathic self-insert story, but with the ultimate twist! Or in other words: And SI finds himself on Earth-bet with the Ultimatrix strapped to his arm.
Crossover - Ben 10 & Worm - Rated: M - English - Chapters: 4 - Words: 27,474 - Reviews: 13 - Favs: 103 - Follows: 115 - Updated: 11/23 - Published: 11/17
Rise of the Yo-kaitrix by WobblewokGaming reviews
During a rough part of Nate Adams (a rather famous young prodigy), the Adams family moved to BBQ, Texas in order to start a new life there. Little do they know that this would lead to a series of events that would all build up to Nate becoming the savior of the galaxy and beyond!
Crossover - Ben 10 & Yo-Kai Watch - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 19,216 - Reviews: 1 - Favs: 6 - Follows: 5 - Updated: 11/23 - Published: 10/24 - Azmuth, Vilgax, Nate A./Keita A., Hailey A./Inaho M.
Magical Alien Summer by Feedbackblast18 reviews
Dan Tennyson thought he was going to have the worst summer ever. But when he finds a strange watch that turns him into aliens, he will have to deal with magic from another realm, alien warlords, madmen, a rival with his own watch, and all sorts of trouble with his aunts and a group of magical girls. He will learn about the magic of friendship as he becomes the hero of both worlds.
Crossover - My Little Pony & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 38 - Words: 251,931 - Reviews: 18 - Favs: 65 - Follows: 48 - Updated: 11/23 - Published: 3/30/2019 - Princess Celestia, Sunset Shimmer, Max T., OC
Ben 10: Reincario by omnimegalander reviews
Nearly 15 years after sacrificing himself to save the Tree of Beginning from its untimely end, Lucario's destiny changes upon meeting a mysterious professor. Now on a brand new world with creatures of every shape and size, Lucario works alongside the hero of the universe, Ben Tennyson, to protect the innocent and fight against powerful villains, both old and new.
Crossover - Pokémon & Ben 10 - Rated: T - English - Adventure/Sci-Fi - Chapters: 11 - Words: 89,372 - Reviews: 27 - Favs: 75 - Follows: 74 - Updated: 11/23 - Published: 3/16/2020 - [Ben T., Julie Y.] Lucario, Prof. Paradox
In Marvel With The Omnitrix by SHplayer reviews
A Man who lost everything he owned because of people who were his friends when he was little, and so with nothing else to do he started to watch movies and cartoons, but there was one cartoon and movie that fascinated him the most and they were Ben 10 and marvel.
Crossover - Ben 10 & Marvel - Rated: T - English - Adventure/Humor - Chapters: 5 - Words: 16,345 - Reviews: 11 - Favs: 37 - Follows: 41 - Updated: 11/22 - Published: 10/6 - OC, B. Banner/Hulk, T. Stark/Iron Man, P. Parker/Spider-Man
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: 52 - Words: 760,624 - Reviews: 457 - Favs: 1,058 - Follows: 1,073 - Updated: 11/22 - Published: 12/5/2021 - Ben T., Erza S.
A Couple Of Passing Heroes by Azure King and Azure Queen reviews
Naruto, a young boy who is traveling with his best friend Jen Tennyson. But barely into their adventure both he and Jen received powerful devices. Now with the ability to copy other versions of himself Naruto is going to be a passing by Hero.
Crossover - Naruto & Ben 10 - Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 11,993 - Reviews: 64 - Favs: 451 - Follows: 486 - Updated: 11/22 - Published: 7/11/2017 - Naruto U., Ben T., Charmcaster/Hope
The Ultimate Alliance by Ashtech301 reviews
Captain Marvel gets thrown into an alternate reality when she tries to attack Thanos alone, without the help of the avengers. Ben has the same thing done to him by Proffesor Paradox during a fight with Aggregor. Will both heroes take on the responsibilities of protecting those realities, or will they still be haunted by the errors of their past? PS: They will meet at some point
Crossover - Ben 10 & Captain Marvel - Rated: K+ - English - Adventure/Drama - Chapters: 12 - Words: 36,849 - Reviews: 25 - Favs: 31 - Follows: 31 - Updated: 11/22 - Published: 9/22/2020 - Ben T., Prof. Paradox, C. Danvers/Vers
Loud 10 by Bowl of troubles reviews
Lincoln goes with his grandpa max for a summer trip along with his cousins gwen and ben whare they find some interesting alian technology
Crossover - Ben 10 & Loud House - Rated: T - English - Adventure/Family - Chapters: 8 - Words: 9,176 - Reviews: 15 - Favs: 21 - Follows: 15 - Updated: 11/22 - Published: 5/20/2019
Carrying You In My Heart by GoldGuardian2418 reviews
Rachel finds a box containing the belongings of her youngest sister, Ace, a young girl who she had only known for a couple hours, but loved as her little sister. A tribute to Kevin Conroy, the man who voiced Batman for so long.
Crossover - Justice League & Ben 10 - Rated: K+ - English - Family/Hurt/Comfort - Chapters: 1 - Words: 1,607 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 11/22 - Complete
XenoTrix by rednumber39 reviews
It's been five years since he acquired the most powerful device in the universe and 1 year since he saved the universe a second time. Even with all that he has accomplished he still wants to save his world and everyone in it. Who knew just taking a job would bring him to his goal. But even so he is still haunted by the scars from his past but unlike before he will never be alone.
Crossover - Ben 10 & Xenoblade Chronicles 2 - Rated: M - English - Romance/Adventure - Chapters: 13 - Words: 81,353 - Reviews: 77 - Favs: 116 - Follows: 96 - Updated: 11/21 - Published: 6/23/2021 - [Rex, Pyra/Mythra, Nia]
Rise of G-Morph and The Amazing Spider-Man by Amit Barabi reviews
Gwen Stacy is chosen to become the successor of Ben Tennyson. Read and enjoy her origin as the heroine, G-Morph, and her ever-growing adventure with her arachnoid boyfriend. Mainly based on The Amazing Spider-Man movies and the MCU but has some original ideas. Peter and Gwen pairing. Inspired by The Incredible Muffin. Originally titled "Wristed Heroes"
Crossover - Spider-Man & Ben 10 - Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 51,127 - Reviews: 51 - Favs: 44 - Follows: 48 - Updated: 11/21 - Published: 8/13/2020 - [Peter P./Spider-Man, Gwen S.] Eunice
Paleo Fury (overview ) by DinoZillaPrime reviews
A boy is transported to an alien primeval world and now must work with some of its prehistoric inhabitants to survive.
Crossover - Ben 10 & Primal - Rated: M - English - Adventure/Horror - Chapters: 1 - Words: 349 - Reviews: 1 - Follows: 1 - Published: 11/20 - OC
Ben 10: Hero Force by DBZpower197 reviews
It had now been 3 years since Ben took a chance at a normal life. However, history had a tendency to repeat and life had a tendency to be unfair. With the news of someone person putting in a good word for him at UA, Ben would once again don the Omnitrix and face the challenges ahead all the while having one question in mind: "Could he meet the legacy of that watch once again?"
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure/Sci-Fi - Chapters: 23 - Words: 218,595 - Reviews: 446 - Favs: 603 - Follows: 710 - Updated: 11/20 - Published: 4/19/2021 - Ben T., Izuku M., Momo Y., 1-A Students
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. Season 1. CH 1-20
Crossover - Star Wars & Ben 10 - Rated: T - English - Adventure - Chapters: 20 - Words: 126,225 - Reviews: 2 - Favs: 21 - Follows: 24 - Updated: 11/20 - Published: 10/22/2021 - [Ben T., Gwen T.] OC
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: 107 - Words: 801,745 - Reviews: 374 - Favs: 485 - Follows: 487 - Updated: 11/20 - Published: 12/26/2018 - [Ben T., Ruby R.] OC
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: 7 - Words: 7,831 - Reviews: 7 - Favs: 5 - Follows: 5 - Updated: 11/19 - Published: 9/21 - Ben T., OC
Tales from Avenging 10 by CaptainRex75 reviews
So many Heroes in one Universe. Too many to fit on one story. A series of One Shots involving Ben 10 as he teams up with different Character of the Marvel Universe to fight the forces or evil. (Co-Written by bcarandang1)
Crossover - Ben 10 & Avengers: Earth's Mightiest Heroes - Rated: T - English - Humor/Adventure - Chapters: 8 - Words: 67,092 - Reviews: 112 - Favs: 148 - Follows: 113 - Updated: 11/19 - Published: 7/15/2016
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: 61 - Words: 847,632 - Reviews: 1128 - Favs: 494 - Follows: 460 - Updated: 11/18 - Published: 4/4/2021 - [Ben T., Yang X.L.] Gwen T., Ruby R.
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