Ben 10 Crossovers
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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: 22 - Words: 75,635 - Reviews: 103 - Favs: 258 - Follows: 272 - Updated: 10/1 - Published: 6/7/2022 - Ben T., Shouta A./Eraserhead, Mina A., 1-A Students
Departure of the Summer by SilverSoulmmc reviews
Songfic! As the seasons change, the bonds he's created throughout the summer continue to move forward. Ben feels as if he's still stuck where he used to be, but the departure of one journey is never lonely.
Crossover - Ben 10 & Persona Series - Rated: T - English - Family/Friendship - Chapters: 1 - Words: 782 - Reviews: 3 - Favs: 8 - Follows: 4 - Published: 10/1 - Ben T., Gwen T., Max T., Yukiko A. - Complete
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: 73 - Words: 319,581 - Reviews: 30 - Favs: 50 - Follows: 39 - Updated: 10/1 - Published: 6/26/2018 - Lincoln L., Luna L., OC, Ronnie Anne S.
Ben 10 Switch On by CMXB reviews
A new Fourze has arrived at the world of Ben 10 with a mission to be a new hero of the universe while befriending anyone he meets, what adventures will he do only time will tell now, Uchu Kita.
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Adventure/Sci-Fi - Chapters: 53 - Words: 76,771 - Reviews: 313 - Favs: 186 - Follows: 175 - Updated: 10/1 - Published: 12/22/2019 - [Julie Y., OC] Gentaro K./Fourze
A Trip to Remember by LG Shala reviews
A shape-shifting alien hero, eager to explore 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: 6 - Words: 28,829 - Reviews: 22 - Favs: 21 - Follows: 18 - Updated: 9/30 - Published: 4/20 - Ben T., Steven U., Jasper, Vulkanus
Hedgehog 10: The Omniverse Chronicles by Omarnosian10 reviews
Sequel to Hedgehog 10. Join Rouge, Ben, and Shadow as they adjust to life on Earth as a team. With Ben's Ultimatrix, Rouge's Omniverse Omnitrix, and Shadow's Chaos Energy, they'll make an unstoppable team. BenXRouge
Crossover - Sonic the Hedgehog & Ben 10 - Rated: T - English - Romance/Adventure - Chapters: 6 - Words: 40,559 - Reviews: 39 - Favs: 76 - Follows: 68 - Updated: 9/30 - Published: 4/3/2015 - [Rouge, Ben T.] Shadow, E-123 Omega
The Omni-Army by fictionreader23 reviews
Everybody knows the story of Ben 10 throughout the universe, even the multiverse. The boy who was slimy, freaky, fast, and strong, and every shape and size. But what if in one universe, that wasn't the case. What if the Omnitrix became something else entirely, and the contents inside changed as well. Get ready for an ordinary world to have thousands of new discoveries.
Crossover - X-overs & Ben 10 - Rated: K+ - English - Sci-Fi/Mystery - Chapters: 2 - Words: 10,651 - Reviews: 2 - Favs: 11 - Follows: 10 - Updated: 9/29 - Published: 7/24
Ben 10 Fairy Tail by JerryAwesome24 reviews
Ben Tennyson gets sent to the world of Fairy Tail where he meets the Fairy Tail wizards. He joins the Fairy Tail Guild and forms bonds with his new friends and teammates and will have many new challenges with them. BenxHarem
Crossover - Ben 10 & Fairy Tail - Rated: T - English - Sci-Fi/Fantasy - Chapters: 11 - Words: 81,140 - Reviews: 29 - Favs: 75 - Follows: 87 - Updated: 9/29 - Published: 11/14/2022 - Ben T., Erza S., Lucy H., Natsu D.
Pokemon Extraterrestrial Journey's by Budang2005 reviews
With no memory of whatsoever our protagonist with an insane ability wakes up in a world full of creatures known as Pokemons and Meet two Trainers by the name Ash and Goh on thier journey towards their dreams
Crossover - Pokémon & Ben 10 - Rated: T - English - Adventure/Friendship - Chapters: 4 - Words: 9,637 - Reviews: 12 - Favs: 18 - Follows: 14 - Updated: 9/29 - Published: 9/1 - Ash K./Satoshi, Goh/ Gou, Ben T.
XL 12: The Series by XLR8 The Fox reviews
When a Fox/Kitsune mobian hybrid obtains the most powerful device in the universe, the Xenotrix, he must defend his planet and beyond against all who side with evil, with his brother, cousin and tons of friends by his side, he will never give up to save all of those in need, IT'S BLAZING TIME Cover art by my friend Rickthehedgewolf on DeviantArt
Crossover - Sonic the Hedgehog & Ben 10 - Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 99,407 - Reviews: 20 - Favs: 24 - Follows: 22 - Updated: 9/28 - Published: 4/23/2020
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: 10 - Words: 100,094 - Reviews: 80 - Favs: 61 - Follows: 69 - Updated: 9/27 - Published: 8/13/2020 - [Peter P./Spider-Man, Gwen S.] Eunice
Justice Reborn by PinkEtherious reviews
First story. The ultimatrix goes to a new wielder(Oc/Si) who is transported to the injustice story near the end of the first game and picks up after superman is supposed to brought to the insurgency earth. It will go through to injustice 2 with other arcs being included.
Crossover - Ben 10 & Injustice: Gods Among Us - Rated: T - English - Fantasy/Adventure - Chapters: 14 - Words: 14,479 - Reviews: 17 - Favs: 32 - Follows: 38 - Updated: 9/26 - Published: 1/26 - Prof. Paradox, Batman, OC
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: 5 - Words: 7,675 - Reviews: 16 - Favs: 16 - Follows: 17 - Updated: 9/26 - Published: 7/30 - Ken T., The Loud Family
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: 56 - Words: 514,899 - Reviews: 1756 - Favs: 2,579 - Follows: 2,630 - Updated: 9/25 - Published: 11/26/2019 - Ben T., Izuku M.
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: 16 - Words: 49,155 - Reviews: 53 - Favs: 73 - Follows: 78 - Updated: 9/25 - Published: 3/18/2020 - Danny F., Ben T., Gwen T., Kevin
The Fallen Hero by TheAdmiralKJ12 reviews
Ben Tennyson, the wielder of the Ultimatrix, and the hero of the universe has lost everything. After the death of his loved ones by his nemesis Vilgax, he decided to end everything, but instead of death, he finds himself in a new world. A place where the capital is corrupt and assassins are on the loose to stop their madness. Which side will our hero join? (Need help with title)
Crossover - Ben 10 & Akame ga Kiru/アカメが斬る - Rated: T - English - Hurt/Comfort/Suspense - Chapters: 1 - Words: 6,318 - Reviews: 44 - Favs: 61 - Follows: 72 - Updated: 9/25 - Published: 1/13/2021 - Ben T., Night Raid, Jaegers
Aliens and Owls by GuardianSoulBlade reviews
Summary: AU. Kevin Levin visits his mother only to find that she's been attacked and murdered. With her dying breath, she tells him that she's not his real mother but his mother was a woman named Mary Lloyd. He is contacted by someone claiming to be his mother and learns of a mysterious cabal known as The Court of Owls.
Crossover - Teen Titans & Ben 10 - Rated: T - English - Mystery/Drama - Chapters: 1 - Words: 2,982 - Reviews: 1 - Favs: 5 - Follows: 4 - Published: 9/25 - [Kevin, Gwen T.] Red-X, Ben T.
Ben 10 meets DC Superhero Girls Season 3 by skipper.weinkauf reviews
Here we will see the heroes return with a whole new adventure, and old foes will tried to take over the multiverse
Crossover - DC Super Hero Girls & Ben 10 - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 3 - Words: 5,262 - Reviews: 3 - Favs: 4 - Follows: 6 - Updated: 9/24 - Published: 9/12 - Kara K./Supergirl, Ben T.
Fairies in a world of Aliens by diamondholder reviews
this is what i think would happen if some of the strongest members of Fairy tail would be thrown into the events of ultimate alien and omniverse. main pairings will be BenXMirajane, KevinXLisanna, and GwenXNatsu rated m for later chapters.
Crossover - Ben 10 & Fairy Tail - Rated: T - English - Romance/Adventure - Chapters: 30 - Words: 153,286 - Reviews: 20 - Favs: 76 - Follows: 70 - Updated: 9/24 - Published: 11/22/2017
Titans Unleashed by UltraPhantom reviews
Something is happening at Cadmus, so Ben Tennyson, Kim Possible, and Danny Phantom must find out what they are up to. Only to find out that Aqualad, Kid Flash, and Robin are there as well. Follow as our cartoon heroes interact with the Young Justice as they find out why their villains are teaming up and working with the Light.
Crossover - X-overs & Ben 10 - Rated: T - English - Supernatural/Sci-Fi - Chapters: 2 - Words: 13,553 - Reviews: 20 - Favs: 32 - Follows: 26 - Updated: 9/24 - Published: 7/9 - Ben T.
Ben 10: An Outsider Hero by GRS19 reviews
Ben Tennyson once again saved the universe after defeating the evil Chronosapien Mautruant, but in a completely different world, in a completely different village, there are people who need a hero, and a boy with a "magic watch" would be a good call. How will the Omnitrix Wielder deal with the dangers that plague this place?
Crossover - Ben 10 & Resident Evil - Rated: M - English - Sci-Fi/Supernatural - Chapters: 16 - Words: 56,753 - Reviews: 21 - Favs: 75 - Follows: 78 - Updated: 9/24 - Published: 4/18 - Ben T., Prof. Paradox, The Duke, Mother Miranda
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: 9 - Words: 215,061 - Reviews: 102 - Favs: 134 - Follows: 145 - Updated: 9/23 - Published: 1/12/2022 - Naruto U., Ben T.
The Slimebiote Hero: Skurd by NitroThunder224 reviews
Bakugo Katsuki, the boy known as being the one who'll make it to U.A, gets knocked down a few pegs when he realizes that he isn't always going to be the strongest; by himself, that is. Midoriya Izuku, abandoned by all, used by all; all because of his quirk. Having no home and no hope, he meets the blonde. What starts off as a one-sided relationship soon blossoms to something more.
Crossover - Ben 10 & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Hurt/Comfort/Mystery - Chapters: 7 - Words: 18,526 - Reviews: 4 - Favs: 20 - Follows: 27 - Updated: 9/21 - Published: 1/21 - Izuku M., Toshinori Y./All Might, Katsuki B., Mitsuki B.
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: 1 - Words: 17,017 - Reviews: 18 - Favs: 40 - Follows: 47 - Published: 9/21 - Ben T., Saber, Jeanne d'Arc, Rin T.
Overlord Tennyson by Vishvarupam reviews
Ainz reincarnated as Ben Kirby Tennyson and a certain Anodite found the innate magic within his grandchild.
Crossover - Overlord/オーバーロード & Ben 10 - Rated: T - English - Adventure/Supernatural - Chapters: 3 - Words: 4,339 - Reviews: 48 - Favs: 56 - Follows: 72 - Updated: 9/21 - Published: 8/26 - Ainz, Evileye, Gwen T.
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