After a few years of peacefulness Ben Tennyson engages his nemesis in another battle for the fate of the universe but their clash results in him ending up in a world where heroes and villains constantly battle and aliens aren't citizens on earth. Will Ben be able to change this new world for the better like he did on his earth or will this world's greater evils bring him down?

Ben receives terrible news; his grandfather has disappeared and been declared dead. Max leaves him a strange device called the Omnitrix; now he must figure out his way through the ups and downs of heroism in a world that is only just recuperating from an alien invasion, all while figuring out the mystery of Max's disappearance and mastering the quirks of the watch.

Ben 10 has lost everything. Now he is given a second chance in a world full of superheroes. Will Ben decide to continue being a hero?