Action Comics #904 (Doomsday) (1938)

Written by PAUL CORNELL Art and cover by KENNETH ROCAFORT 1:10 Variant cover by JERRY ORDWAY Earth has fallen. The multiple Doomsdays have defeated Supergirl, Superboy, Steel, and the Eradicator. Now it all comes down to a weakened Superman versus the monster known as Doomslayer in this, the epic finale of 'Reign of the Doomsdays'!