Action Comics #592 1987

Action Comics #592 introduces the controversial villain Sleez, a depraved Apokoliptian. In this unsettling story, Big Barda is captured by Sleez, who uses her Mega-Rod and mind control to force her into degrading acts. Superman intervenes, but Barda, under Sleez's influence, attacks him. This issue is notable for its dark narrative, featuring the first appearance and origin of a memorable, albeit infamous, antagonist who brings both heroes under his control.