Ben gets transported to the world of Soul Eater where he meets the Soul Eater cast. He decides to help them fight the Kishin and Witches until he finds a way home. BenxHarem. Adopted by Rexfan1333

He was supposed to return back home. After helping Rex Salazar to defeat Alpha, Ben manages to put him in the Null Void but instead of ending up in Bellwood,he ends up in an alternate reality where humanity is at the brink of extinction. Perhaps with his presence,they can forge a better future for themselves.

Om-inficent (adj): Unlimited in creative power; Jen Tennyson thought her family were the only heroes in the Omniverse, but not until she's thrown into the Quirkverse where other heroes need her the most.

A fierce battle with Charmcaster causes Ben and Rook to be sent to an alternate reality; The Clover Kingdom. In their quest to find Charmcaster and return home, they'll come across new foes, but also form new allies as well; The Black Bulls

While fighting both Kevin and Vilgax at Niagara Falls both them and Ben get sucked into a portal created by the Null Void projector. Only it’s not the Null Void they land. They land in a world where Superheroes are just a bunch of corporate puppets and think they can do whatever they want. But no it’s a real Hero’s Time.

At a young age of 10, young Izuku Midoriya and his friends goes camping with their families for the summer vacation, until it went south really fast. Finding a alien watch with secrets hiden in it he must choose to use it wisely as a vigilante and being a target of a evil warlord that looks like a tentacle hentai monster. Now follow the origins of the greatest hero Izuku 10.

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)

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.

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

After the road trip at the end of Omniverse, Ben gets a mission that will change his life forever, AU Harem Story.

An American exchange student has moved to Japan to reach his dream of becoming a hero. To reach this goal, he will enter the greatest hero academy the world has ever known: "U.A. High." He will reach his goal, no matter what stands in his way. Doesn't matter if they have tentacles, armor, or the power to destroy whatever they touch, they can't stop him from becoming a hero!

did you ever wondered if we was alone I'm sorry for telling you that but yes we're in these universe there are not E.V.O or aliens but there are humans a special kind of humans

It started when an alien device began to glare, And stuck itself upon her wrist with secrets it did share, Now she's got super powers, She's no ordinary mare, She's Sunny 10! Now if you see her you might be in for a big surprise, She'll turn into an alien before your very eyes! She's tiny, creepy, fast, and strong, She's every shape and size, She's Sunny 10!

When an alien watch falls down from the far reaches of space, Lincoln Loud acquires it and gains the ability to transform into 10 different aliens. With some help from his family, Lincoln will protect Royal Woods from common criminals, galactic warlords and many different evil villains and keep his secret from the rest of his friends.

Ben and Gwen face off against Animo only for the fight to take a mysterious turn, taking them to another place. Someplace... Miraculous. Note: has an alternate Ben and Gwen following Gwen if she didn't destroy the Charms

With no memory of his past but his name,Ben Tennyson is left deserted in a strange world. With all hope lost,he encounters a girl called Rachel, and forms an inseperable bond with her. But when she leaves him to pursue her dream of climbing the Tower of God,Ben goes after her so as not to be left alone again. Can he regain that which was lost to him on this perilous journey?

When Phanty and her father come for a visit, Ben tells them the time he tried to prove to Sasha that clowns are truly terrifying.

Ben, Gwen and Kevin enters a world of Dragon Ball (I Own Nothing)

ben10 in worm

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

Failed experiment aside, Kenneth Tennyson of Bellwood is set on a roller coaster of an adventure against time with a galaxy wide purge on the horizon. but enough about that, Ken has a team to join for the ride. Discord is on the Profile :D

What would happen if Naruto had found the Ultimatrix, and with the power of a seemingly vast array of power and possibility; as he now gains the opportunity to use this to rise up to greatness in his village, but also to become a great soldier and hero for Konoha. All the while contending from threats both on planet and beyond. Largely A.U, Rated M for Mature Themes and Violence.

Ben, Gwen, and Grandpa Max stop at Amity Park to meet Max’s old ghost hunting friends. Unfortunately, for the likes of Ben Tennyson and Danny Fenton, there’s no such thing as a pleasant visit…

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.

What happens when a 12-year-old Harry is given the Ultimatrix and given the chance to become something greater? Well this is that story, as we follow his misadventures in the world and the worlds beyond, with a legion ready to take on anyone. Rated M for Blood, Violence, Gore, and Mature Themes. Ultimatrix Harry AU. Harry X ?