Get to know Miles Morales, the Spider-Man of two worlds! In the wake of Peter Parker's death in the Ultimate Universe, brave young Miles steps forward with his own incredible arachnid-like abilities to live up to the Spider-Man legacy! Meet Miles' best friend Ganke, his parents Rio Morales and Jefferson Davis, and his uncle Aaron - but watch out, Miles, he's your Earth's Prowler! Jefferson has his secrets, too - but what do they have to do with S.H.I.E.L.D.? Then, Miles' life is turned upside down when he and his loved ones find themselves part of the Marvel Universe! But how can one teen hero stand in the way of the demonic Blackheart when the Avengers fall?