Following the shocking events of the Indestructible Hulk finale, Bruce Banner lies at death's door, shot in the head by an unknown assailant. If he survives, it won't be as the Bruce Banner we've known! Only the Hulk can save Banner. As a new threat enters the scene, Banner goes to a dark place, and he could drag the Avengers right along with him! What forbidden knowledge will Tony Stark use in an attempt to cure Bruce Banner's brain damage? Experience...