Originally posted by psycho gundamIt's called PIS. Hulk has always been able to die and be koed his entire career.
hulk tears a large part of his head off to remove memories from his mind:he later gets encased in a metal containment unit designed to smother thermonuclear detonations (which he melts to the point it becomes fluid), he breaks out of it and he's fine the next issue
(and yeah, he had that green "world breaker/war hulk" aura long ago, that guy's face and the bullets going for his eyes melted from it)