Ultimate Spider-Man v07 - Irresponsible (2003)

Collects Ultimate Spider-Man (2000-2009) #40-45. An all-new villain explodes on the scene, literally! But how can Spider-Man fight a new mysterious foe named Geldhoff if he can't even find a costume? And will Peter and Mary Jane finally just say what they feel?! Guest-starring the Ultimate X-Men.