Ultimate Hulk vs. Iron Man - Ultimate Human (2009)

Collects Ultimate Human #1-4. 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!