1st printing. Doomsday! Part 3 of 7. "Countdown to Doomsday!" Guest-starring the Justice League. Story continued from Justice League America #69. An extremely powerful new villain has just trounced the Justice League - with one arm tied behind his back, literally - and now the only thing standing in this unstoppable force's way is the Man of Steel. But if Superman doesn't let Doomsday get away, his fellow Justice Leaguers may perish. Story continues in Adventures of Superman (1939-2006) #497.