Just when Ben thought he was leaving Rex's world for good, something goes wrong. Instead, the portal malfunctions, causing it to pull Ben, Rex, and Alpha to an entirely new world. Heroes United must team up once more & work together to find Alpha before he does anything dangerous. In the meantime, our heroes will join the Justice League. And along the way, they might just love.

Ochako Uraraka finds herself unexpectedly taking on the mantle of the Omnitrix wielder from Ben Tennyson. As Ochako begins to explore the capabilities of the Omnitrix, she must also navigate the complex relationships and alliances, all while facing off against increasingly powerful enemies. Cover by @ZebraKnight1 on Instagram

When Ben Tennyson visits Fuyuki on a trip for Extra credits and some downtime, he finds himself locked into a bloody battle for a Wish-Granting Grail. With no other choice, Ben shall use the power of the Ultimatrix and newfound allies to put an end to the battle and uncover the truth of the Holy Grail War of Fuyuki.

Makoto Naegi was chosen as the Ultimate Lucky Student, though, he wouldn't really consider luck as a talent or something to be proud of and he couldn't help but feel insecure of the other students who had true talent and worked hard to get into Hope's Peak. But what happens when that insecurity fades away when he finds a device that turns him into over ten different aliens?

When an eleven-year-old boy comes to Jump City, He is met with five super-powered teens that are just like him. Along with the power of the Omnitrix, He teams up with them and calls themselves the Teen Titans, facing whatever evil threat that attempts to take over their home and the universe. But can he trust them enough to tell them why he was alone in the first place?

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)

This Is the story of how Ken Tennyson, will become the strongest Pokemon. Ken Tennyson is son of Ben Tennyson.

Little do people know is that there is life beyond the stars and our own planet. There are all kinds of hero's, each with different stories about how they become great. Join a teen armed with a device that holds the key to understanding all life in the universe as he joins a team of hero's to heal old wounds and make new memories. He has many names, but let's call him Omni.

When several evil organizations start disappearing and being quiet, Sailor Sun makes the risky choice choosing six heroes on Earth to prevent an evil Digimon's return by searching out the four special Mega Level Digimon known as Guardian Digimon. The Guardian Seekers begin their mission by searching for the first Guardain of the Sea.

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.

After a skirmish and a malfunction with Vilgax and Albedo in an Alternate Timeline; Jason Moss was thrown from his own time and space and into a new world altogether Jason must now try and find a way back home; using the Omnitrix thrust upon him by his teacher and whatever he could find in a world of Grimm, Huntsman and teenagers with superpowers

Summoned as a non-combat class to Tortus, Ben Tennyson has set off on a journey to find the meaning of his life. As his life has been gradually shaped by the people around him, he who possesses otherworldly abilities holds onto his own beliefs and logic and proceeds with his journey to find the truth of Tortus.

When Izuku was on a road trip with his grandfather and his two cousins he he found a watch that gave him powers. Izuku X Harem A Rewrite of my original Omni Hero Deku

What would happen if the greatest hero in the universe... was stuck in a world of heroes just as amazing as him? Follow the story of the new Alien Hero. Watch him make a great many friends! And just as many enemies. Only time will truly tell how both universes will be shaped by the arrival and absence of this teen hero.

Louise, mocked as "Louise the Zero" for her magical failures, summons a mysterious device called the Omnitrix during the Familiar Summoning Ritual. Confused and panicked, she meets the enigmatic Professor Paradox, who explains its power. As she grapples with her new abilities, Louise's journey from zero to hero begins, with adventures and challenges awaiting her.

Omni-Boys Short and Extra content that I can’t fit in my regular story. Includes some filler stuff and alternate openings.

During a battle, Ben and Gwen Tennyson are sent through the Null Void into a new universe, one much... quirkier than their own. Follow the two cousins as they adapt to their new home and navigate the new challenges it brings, which may have more of an impact on both of them than they ever could have imagined. All together now... IT'S HERO TIME!

After losing to the strongest hero, Garou woke into a world so alien yet so similar. Trapped inside another, he must set out with unlikely companions to uncover the secrets of his transmigration into a world where aliens fill the stars and evil from multiple timelines endanger the universe in his journey down the path of self-discovery. By the author of The Hunter Amongst Villains.

What if, the day he awoke from the coma, before even reaching Atlanta, Rick came across the prototype of the Omni Matrix, changing his life even further than the state of the world around him already had.

Three boys out on an adventure get a bit more than what they bargained for when they end up at the Grant Mansion by accident. Written alongside with Redbat132. :)

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).

They had traveled to Ben's dimension with the hope of getting some much needed R&R, while also planning their next move against the Cabal. However, it would seem their enemies had already struck, one in particular, who is about to give put a new meaning to the term 'Technological Warfare'

Luna Loss was your average little girl until one day she was kidnapped by an alien warlord after obtaining a watch-like device that allows her to transform into aliens. After escaping into space for about two years, Luna had lost all hope of going back home...but maybe a certain Mandalorian and an alien baby Jedi could help her return to Earth? Rated M-language violence and blood.

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.

A shape-shifting alien hero, eager to see 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.