Collects Indestructible Hulk #6-10.
When Bruce Banner takes his lab team to Jotunheim, that means only one thing: Hulk vs. Frost Giants! Thor joins the fray, but what's wrong with the God of Thunder - and why doesn't he recognize Hulk? As the Frost Giants prepare to invade Earth, not even Hulk and Thor can stand in their way - so they'll have to call in some help!