Ben Tennyson was abducted by aliens when he was 10 years old after accidentally received the Omnitrix, but then got rescued by Tetrax. He also brought Rook Blonko with his side. Both Ben and Rook are orphans, where Tetrax trained them to become the Galactic Guardians. Then after reaching his teen years, he received the Ultimatrix and recruiting more members.

In the crossover.

After recreating a universe, Ben is sent to another universe filled with Magic, Dragons, God's, and Demons. Watch as he battles various mages, dragons, and insane black mage in order to help the people he cares about.

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!

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)

When Ben Tennyson get transported into another world, he will need to team up with Anne and her friends to stop Andrias and The Core from conquering the multiverse.

Ben Tennyson is the current wielder of omnitrix He had to go to earth for a investigation but when he finds traces of element X things get complicated now he has to deal with threats from both earth and space, and for some reason his dad asked him to go to an stupide hero school "i didn't even knew that hero had a school" can ben deal with his double life and keep his work secrete.

Ever wonder how different Gravity Falls would've been if Ben and Gwen Tennyson had been sent to spend the summer there alongside Dipper and Mabel Pines? This is that story! More details in the intro

After getting Kevin under control after he absorbed the Ultimatrix, there were little to no threats on Earth. There were no crimes, alien attacks, no word from Vilgax, and cries from other planets needing help. This left Ben beyond bored and with nothing to do until Paradox decides to humor our hero and send him into an apocalyptic world.

You just enter, read it and that's it (Maybe the title is temporary until I come up with a better one)

Ben 10: From Commonplace to World's Strongest Hero. This is sequel to Ben 10: Irregular Omni Taken place right after Season 1 Episode 4 of Arifureta From Commonplace to World's Strongest.

Ben crossed over into the YJ universe. (No he doesn't lose everything he loves.) Now he joins a newly formed team. Takes place after series 1 Ben is 13 didn't give up the Omnitrix. Ben/Zatanna pairing.

Daniel Ulysses Carter was given the the omintrix in order protect the world. He is willing to learn from the greatest hero's in the world the Avengers. Idea inspired by the Dial Fanfic.

no soy de resúmenes, solo se que hay varias historias de este tipo, pero quería hacer mi propia versión, espero que les guste

Professor Paradox, seeing a world about to destroy itself, sends an acquaintance of his to solve the problem he can't. How will the alien hero fare in this new world at war against the Galra? Find out! (Short first chapter, second chapter) I own nothing

With all the unpredicable and unnecessary trouble that happens on Earth, Rook Blonko is nervous about his family visiting him for Halloween. Will everything work out or will it be all tricks and no treats?

Ben has not been a hero for 3 years... But circumstances force him to put on the Omnitrix again!

Due to a mishap, Ben is sent to a world closely mirroring his own; only with angels, devils, fallen angels and Yokai hiding in plain sight from the rest of the world. Having been thrust into a world full of mythological beings from one full of alien beings, how will our favorite hero deal with it?

Due to a mishap, Ben is sent to a world closely mirroring his own; only with angels, devils, fallen angels and Yokai hiding in plain sight from the rest of the world. Having been thrust into a world full of mythological beings from one full of alien beings, how will our favorite hero deal with it? (Adopted from Omnisaurus)

Getting magic meant everything to Asta. After finding out he truly had no chance of using magic, the thing on his wrist gave him the ability to transform! Now it's up to Asta to use his transformations to defeat both magical and alien threats to the clover kingdom on his path to become the wizard king and hero of the universe!

On a camping trip with his family, young Tommy Pickles' life is changed forever as a pod falls from the sky containing a watch-like device which can change him in to a plethora of different alien creatures. Join Tommy as he learns the secrets of the Omnitrix and works to one day become the hero of heroes. (Tommy x Kimi) (Please enjoy, fav, and review.)

(After WAM) Ben somehow arrives in a world of fairy tales and magic, where following one's destiny is important above all else and the student body of a certain school is locked in a war over how to live their lives. Can Ben unite the students under one flag before the dark force lurking within the shadows ends them and claims the world for itself? The first of it's kind!

in a world, there is an empire has been corrupted for years, royals, higher ups and even the very knights are corrupted, but there's one group that will path the way of peace... in blood with the help of an Orange and Blue heroes.

Takes place instead of Alien Force, Ben goes through his old belongings and puts on the Omnitrix by accident after which he gets sucked through a portal into the skylands. Pairing: Ben x Harem

He was supposed to be dead. After sacrificing himself to save the Ultimates, Ben finds himself not in the afterlife, but in a world far different from his own. Stranded with no way to return back home,Ben must adjust to his new life. However,it seems that wherever he goes, his responsibilities as a hero still remains the same. Only instead of fighting Aliens,he now faces Spirits.