Action Comics #659 1990

Action Comics #659, published in November 1990, is part three of the "Krisis of the Krimson Kryptonite" storyline. A powerless Superman dons an armored suit to confront Killgrave, who has seized Stryker's Island Penitentiary. Meanwhile, Starman poses as Superman in Metropolis, and Mister Mxyzptlk reveals the deception to Lex Luthor. This issue is notable for featuring a vulnerable Superman relying on technology and for the first appearance of Warden Bailey. It's a key chapter in a significant Superman saga.