What if the Avengers met Ben Tennyson?

In an AU, Ben decided to use Dagon's power to conquer his Universe and bring all life in it to his will. Years later, one of his sons, Prince Ben Junior, is contacted by a mysterious stranger who offers to send him to a new Universe, the home one Earth's Mightiest Heroes! Can the Avengers tackle their biggest challenge yet? Can they best a ten year old brat? Tune it to find out!

When the evil group called the Cabal, discovers Ben 10's dimension, they lead the Avengers after them, creating a paradox that might be capable of destroying all reality!

Ben Tennyson's back from 'Ben 10 Ultimate Alien' and he's going to have a new adventure with the Avengers from 'Avengers: Earth's Mightiest Heroes'. In all episodes, Ben have to work together with the Avengers to fight new enemies and enemies they had faced. In addition, Ben will be getting a new and improve Ultimatrix and new aliens to fight evil.