ACTION COMICS (1938) #592

Cover by John Byrne.  » …A Walk on the Darkside!  » written, penciled and inked (Figure Inks) by John Byrne, inked (Background Inks) by Keith Williams, colored by Tom Ziuko and lettered by John Costanza. When the villain known as the Sleez gets a hold of Big Barda’s Mega-Rod, he uses it to control the heroine, which leads to a confrontation with the Man of Steel. Notes: First appearance of Sleez.