After a fight with vilgax that leaves the universe unlivable ben uses alien x to move everyone still alive to a new universe where they can live peacefully. Unfortunately they arrived just as the clone wars began. Now ben does what he does best, be a hero and end the conflict. It's hero time.

What if Ben wasn't the only one with an Omnitrix? What if someone else had gotten one before Ben? This is the story where it happened, the individual who received the other Omnitrix having gotten it a year before Ben got his. Though the kid that wields this other Omnitrix wasn't exactly ordinary before he got it. What do I mean by that? Read and find out.

A chance of a vacation from his universal renown has landed Ben in the world of My Hero Academia and into a crash landing into Izuku Midoriya's life! What will this mean for Izuku's story? What will change? What will stay the same? There's only one way to find out!

It started when an alien device did what it did and stuck itself upon his wrist with secrets that it hid. Now he’s got super powers he’s no ordinary kid, He’s Hiccup!

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

A poor sap gets thrown into Warhammer 40k with the Omnitrix. In the Grim Dark of Warhammer, It's time for somebody to for a Hero to Rise.

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Time for a multiversal crossover dilemma. Familiar faces. New allies and foes. However, nothing is as it seems. For the hidden truths of this story will be unlike anything experienced before ... (Ben 10, Winx Club, Redakai, Star Wars TCW, Yu-Gi-Oh! DM, Danny Phantom, Sym Bionic Titan, Generator Rex, Xiaolin Showdown, Voltron, Spider-Man, ATLA, and more. UPDATED ALL PARTS ON 7/18/)

Big AU! Left naked and stranded after a bet gone wrong, Ben finds himself desperate for any form of clothing...even a loincloth? Little dose he know this loincloth will grant him a GRAND destiny and even greater trouble! Jungle Fury crossover!

Ben Tennyson and his friends are taking a vacation in the world of Pokemon where they meet Ash Ketchum and his friends. Little to them their enemies are working to rule their both worlds. AshxSerena.

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.

Rito Yuuki thought his life wouldn't get strange when he was ten and a comet came down to Earth on that starry Friday Night. But now, at the age of fifteen, and is known as the Galaxy's Greatest Hero. There's one minor problem, he can't confess to his childhood friend, Haruna. And to make matters worse, he somehow ends up engaged to the Princess of Deviluke. (Full Harem in Notes)

A dedicated one shot story for each series for everyone to enjoy. Featuring characters from across all corners of fiction interacting with one another like never before. From Fanfiction AU Mergers to Crossovers, this promises to showcase oneshots from Ben 10 to Naruto, this promises to be an unforgettable experience. *Oneshot collection; also on AO3*

Ben Tennyson witnessed his parents getting killed by the Empire of Britannia, causing a will for justice and heroism against the empire to be born. One day when he gains a device known as the Omnitrix that allows him to transform into alien beings...the dream of freedom and justice may just come true. But will his good intentions only do more harm than good...?

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"

When the hero of heroes is sent to the prime dimension via professor paradox for an adventure the war between deceptions and autobots gets spiced

El destino haberle negado su sueño, un pequeño ser extiende su mano en aquella chica la cual sería la balanza que mantendría al mundo en equilibrio con su ahora poder aferrado a su brazo izquierdo. Explorando su viaje desde el primer día que se le dio el Omnitrix hasta el final donde se mantendría en pie como la última esperanza.

This is something I just did because I wanted to, I only did it when the idea came to me I hope you like it, it's not an official continuation I think, but I hope you enjoy all the merits to its creator "ChaosMagemon"

Jen 10 has fallen into a wacky world of magic and mayhem but luckily the Fairy Tail guild will be her home for now Fem Ben fic because why not

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.

Clashing with a watch wearing, alien hero from a parallel world was one thing. Having his mysterious girlfriend get caught up in the mix was another matter entirely ... (Heroes United AU with Ben x OC. *DISCLAIMER: MATURE 18 PLUS CONTENT INVOLVED! *

Frankie Stein leads an ordinary and quiet life like any typical teenage monster. But everything changes when she and her friends have an encounter with a being from another world. Her life will soon take a 180-degree turn, dangers that she never believed asked to exist will be present and everything seems to be related to her mysterious and very mischievous space friend.

On a fateful day in the park, a young man's life is changed, when seeing a shooting star fall from the night sky. Watch Ube rise to be a hero, though it's kinda hard to be a hero when your mom is the police chief, and the avatar mistakes me for a spirit. No paring of yet.

When a hero loving teen finds possibly the most powerful device in the universe, watch as this boy grows to be the hero he's always dreamed of

It started with a bad day. However, things get worse as Ben winds up in an alternate world where using the Omnitrix does more harm than good to him. Does his only hope of finding a way back home lie with a wraith who faithfully serves her evil mistress? Rated M for blood, violence, language, adult themes, and some disturbing content.