AS BRUCE BANNER STRUGGLES to control the undying monster within, he finds himself hunted by his old friends and allies. To what lengths will the Avengers go to stop a monster of their own making? And the mysterious scientists of Shadow Base have their own plans for Banner, though they may just find horror instead. But there are more sinister forces at work. Something terrible has infected Banner. A dark infection with unspeakable plans for humanity. The problem is only the Immortal Hulk knows about it! Meanwhile, Carl "Crusher" Creel was just trying to get by, but now, to save what he's built for himself, he must do the impossible - the Absorbing Man must kill the Immortal Hulk! But the Hulk is the one thing standing between the world of the living - and the terrors that await on the other side of the Green Door.