Written by JEFF LEMIRE Art by MARCO RUDY Cover by EDDY BARROWS & J.P. MAYER The epic 'Reign of Doomsday' crossover hits SUPERBOY! How will the Kid of Steel defeat the monster that managed to kill the Man of Steel? And what is Doomsday's ultimate goal in attacking all these members of the Super-family? The mysteries deepen as Act I of this story rockets towards its conclusion!