Planet Hulk - Greg Pak

A secret cabal of superheroes manage to ship the impossibly strong green monster called the Hulk off to another planet. Uh-uh, he lands on the wrong planet, one ruled by a crazied dictator, and Hulk proceeds to smash his way to taking over/liberating the planet. Naturally, this all ends badly. I wasn't thrilled, but it was one of the more interesting Hulk stories I've ever read.