Ben 10 Crossovers
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My Hero Academia: Rising Alliance by Super Saiyan 4 Rukido reviews
Earth as we know it today felt like they could expect anything. They had Heroes with powerful Quirks, technology that benefited them greatly and a society that wouldn't crumble to pieces easily. What's there to worry about? How about Villians hellbent on world domination, a few secret organizations and Aliens from Space? Lucky for the Earth it has it's own protectors just for them!
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Adventure - Chapters: 24 - Words: 176,680 - Reviews: 125 - Favs: 124 - Follows: 137 - Updated: 7/22 - Published: 5/23/2021 - OC, Ship, 1-A Students
Omni Avenger: The Omni Saga by Anime Crossovers reviews
Christopher Wayward, the man with the most powerful device in the universe known as the Omnitrix, has faced monsters and self-proclaimed Gods alike. But now with new threats coming he knows he can't stand alone. How will his presence affect the world, we shall see.
Crossover - Ben 10 & Avengers - Rated: T - English - Supernatural/Sci-Fi - Chapters: 1 - Words: 3,071 - Reviews: 1 - Favs: 12 - Follows: 13 - Published: 7/21 - OC, Iron Man/Tony S., Wanda M./Scarlet Witch, Spider-Man/Peter Parker
Ben 10000: Future Imperfect by Sentinel of Stories reviews
In the future, Ben has become a world famous hero who takes out villains with extreme prejudice. Gwen, concerned for her cousin, brings back past versions of themselves to remind Ben of the very reason they became heroes in the first place.
Crossover - Ben 10 & Miraculous: Tales of Ladybug & Cat Noir - Rated: T - English - Friendship/Sci-Fi - Chapters: 2 - Words: 2,387 - Reviews: 3 - Favs: 8 - Follows: 8 - Updated: 7/21 - Published: 8/30/2021 - Ben T., Gwen T., Max T.
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: 9 - Words: 26,035 - Reviews: 16 - Favs: 24 - Follows: 24 - Updated: 7/21 - Published: 9/22/2020 - Kevin
Alien Huntsman by Celestial Watcher reviews
A young huntsman in training heads to Beacon Academy where he can learn all he can and prove that he deserves to be a full fledged huntsman. Using his unique gifts and talents, this huntsman will overcome all obstacles that get in his way.
Crossover - Ben 10 & RWBY - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 4,113 - Reviews: 4 - Favs: 8 - Follows: 11 - Published: 7/21 - Ben T., Team RWBY, OC
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: 41 - Words: 325,412 - Reviews: 537 - Favs: 881 - Follows: 891 - Updated: 7/21 - Published: 1/25/2020 - Lucy M., Izuku M., Ochako U., Momo Y.
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: 99 - Words: 683,625 - Reviews: 343 - Favs: 458 - Follows: 463 - Updated: 7/20 - Published: 12/26/2018 - [Ben T., Ruby R.] OC
Dial: Call Resumed by DesertChocolate reviews
The Sequel to Dial, continuing the story of a self-insert in the MCU fighting on the side of heroes using an Omnitrix. Things are heating up. New enemies, heroes, and dumb mistakes from politicians are ahead. And all the while, the stars hide new threats. Also posted on RoyalRoad
Crossover - Marvel & Ben 10 - Rated: M - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 28,304 - Reviews: 132 - Favs: 715 - Follows: 797 - Updated: 7/20 - Published: 4/2 - S. Rogers/Captain America, N. Romanov/Black Widow, C. Xavier, Ben T.
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: 15 - Words: 27,404 - Reviews: 34 - Favs: 23 - Follows: 30 - Updated: 7/20 - Published: 12/20/2021 - Ben T., Gwen T., Max T., Yukiko A.
The Infinity Legion:Fairy Tail by Jerry Ruffin reviews
After the Darkentors and save the entire Multiverse, the Infinity Legion travels across the Multiverse as its protectors. They travel to the Fairy Tail world where they meet the Fairy Tail Mages. They face many challenges together.
Crossover - Ben 10 & Fairy Tail - Rated: T - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 23,801 - Reviews: 8 - Favs: 6 - Follows: 6 - Updated: 7/20 - Published: 7/2
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: 30 - Words: 61,932 - Updated: 7/20 - Published: 1/5 - Jenrya L./Henry W., Albedo
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: 55 - Words: 237,841 - Reviews: 26 - Favs: 43 - Follows: 34 - Updated: 7/19 - Published: 6/26/2018 - Lincoln L., Luna L., OC, Ronnie Anne S.
The Omnitrix and the Umbral Star by Justin Sewell1 reviews
In one world, two thirds of the Extella Trio are having a ball with who may be their greatest partners, Tamamo with an unlucky spiky teen with a mysterious right hand, Nero with a boy with more guts then one hundred spec ops soldiers, but what about the final member? Well she gets flung into a different world and entwines her fate with that of a young watch wearing hero of course!
Crossover - Ben 10 & Fate/stay night - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 6,637 - Reviews: 9 - Favs: 38 - Follows: 48 - Updated: 7/18 - Published: 7/15 - Ben T., Attila the Hun
Lost in a World of Heroes by DMDSKLL reviews
After a grave defeat, Ben loses hope in being a hero but after some unexpected circumstances, the wielder of the Omnitrix is transported to a world filled to the brim with heroes. Having to adjust to not only a new country but also going to school to be a hero Ben has plenty of challenges ahead.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi - Chapters: 8 - Words: 12,210 - Reviews: 19 - Favs: 64 - Follows: 79 - Updated: 7/18 - Published: 6/7 - Ben T., Shouta A./Eraserhead, Mina A., 1-A Students
Lincoln el Usuario del Omnitrix by Overlord159 reviews
no soy de resúmenes, solo se que hay varias historias de este tipo, pero quería hacer mi propia versión, espero que les guste
Crossover - Ben 10 & Loud House - Rated: T - Spanish - Adventure/Sci-Fi - Chapters: 17 - Words: 204,051 - Reviews: 223 - Favs: 58 - Follows: 53 - Updated: 7/17 - Published: 6/28/2021 - Gwen T., Lincoln L.
Earth's Mightiest Heroes by UltraPhantom reviews
When the powerful King Detritus and his massive army invade Earth, a group of unaligned heroes and a certain Anti-Hero, discover the only way to fend off the attack will be to work together as a cohesive unit. The Blur, Ben 10, Cat Noir, American Dragon, Gwen, Danny Phantom, Ninja, and Kevin combine their respective talents in an all-out battle to save the planet. YJHU: 1
Crossover - Danny Phantom & Ben 10 - Rated: T - English - Supernatural/Sci-Fi - Chapters: 8 - Words: 20,800 - Reviews: 29 - Favs: 50 - Follows: 53 - Updated: 7/17 - Published: 3/18/2020 - Danny F., Ben T., Gwen T., Kevin
Amalgamation: Good night Night City by epic insanity666
Tests of new technology malfunctioning, Kenneth Tennyson gets plunged into a new adventure into the Urban or city wide combat zone of Night City, scary cyborgs, cyberPsycho's, dead rocker boys, Rogue AI. Who said violence wasn't fun?
Crossover - Ben 10 & Cyberpunk 2077 - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 824 - Favs: 2 - Follows: 2 - Published: 7/17 - [OC, Panam P.] V
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: 5 - Words: 34,815 - Reviews: 76 - Favs: 124 - Follows: 96 - Updated: 7/16 - Published: 7/15/2016
Amphibia 13! by Vgn Golley reviews
Anne and Dereck were just normal kids enjoying their average lives, until one day, they were forced by their friends to steal a musical box, and a pair of strange watches fell down from the sky as they were then transported into another world. Now watch as the kids live among the Frogs, go on adventures, and learn secrets from their Omnitrixes! Full summary in the first chapter.
Crossover - Ben 10 & Amphibia - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 154,600 - Reviews: 77 - Favs: 72 - Follows: 63 - Updated: 7/16 - Published: 6/1/2021 - [Anne, OC] Sprig, Hop Pop
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: K+ - English - Adventure/Hurt/Comfort - Chapters: 12 - Words: 24,422 - Reviews: 58 - Favs: 67 - Follows: 82 - Updated: 7/16 - Published: 11/23/2021 - Gwen T., Max T., Vilgax, Lincoln L.
Ben 10: Rise of a Hero by Ciel Binns reviews
Ben Tennyson is in a world filled with superheros and it's up to him to save the day. Watch as he encounters psychic sisters, kung fu masters, cyborgs, and villains you wouldn't believe. Will Ben be able to rise to the occasion or will evil triumph.
Crossover - Ben 10 & One Punch Man/ワンパンマン - Rated: K - English - Romance/Supernatural - Chapters: 10 - Words: 83,581 - Reviews: 145 - Favs: 97 - Follows: 107 - Updated: 7/16 - Published: 1/28
Ghoul-Vampire: Omniversal by Dragon Emperor0 reviews
Ghoul Vampire Sequel. Months following his conquest of Yokai Academy, Tsukune and his girls find themselves thrust into an unexpected alien conspiracy. New allies and enemies are emerging, and everything is changing. Can Tsukune adapt? *Tsukune x Harem and Ben x Fem! Albedo Harem*
Crossover - Ben 10 & Rosario + Vampire - Rated: M - English - Supernatural/Sci-Fi - Chapters: 2 - Words: 6,726 - Reviews: 2 - Favs: 26 - Follows: 27 - Updated: 7/15 - Published: 11/9/2021 - [Ben T., Frightwig, Albedo, Princess Attea]
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: 99 - Words: 523,502 - Reviews: 1029 - Favs: 509 - Follows: 479 - Updated: 7/15 - Published: 4/21/2018 - [OC, Starfire, Raven, Jinx]
Ben 10 JL by Ben 1000000 reviews
An alternate ben gets thrown into the DC then he will heed to live there and survive invasions and attacks of gods and man that could take down gods and deal with his life as well now the questions is that will he take up the omnitrix again to be a hero, can he be an hero again and save people when he himself is a bit broken. (This ben is not ben prime but alternate ben).EXPERIMENT
Crossover - Justice League & Ben 10 - Rated: M - English - Chapters: 2 - Words: 6,445 - Reviews: 2 - Favs: 11 - Follows: 10 - Updated: 7/15 - Published: 6/25
Ben's teenage romantic comedy by Ben 1000000 reviews
Ben 10 goes to sobu high to complete his education. Mostly from the oregairu cast's point of view and 3rd POV not that much action they will mostly investigate what ben is hiding. Pairing ben x Saki or ben x Haruno, it'll be majority of how the characters interact with each other amd trying to live there youth it'll be about Ben living normal life while being a hero.
Crossover - Ben 10 & My Teen Romantic Comedy SNAFU/やはり俺の青春ラブコメはまちがっている - Rated: T - English - Chapters: 4 - Words: 9,903 - Reviews: 5 - Favs: 12 - Follows: 14 - Updated: 7/15 - Published: 6/18
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