The Incredible Hulk, exiled into outer space, becomes enslaved on the planet Sakaar which is ruled by the Red King, and eventually becomes the gladiator known as Green Scar, uniting his fellow fighters to start a revolution to help change their world.

It's the Ultimate war between the Hulk and Iron Man! Desperate for a cure to his dark disease, scientist Bruce Banner begs Tony Stark for a release from the curse of the Hulk! Stark agrees - but in the midst of the experimentation, something goes horribly wrong. And you know what happens next: Man and monster collide!