DC 1988 Action Comics #602 View Series Low $1 Mid $2 High $3 Price Guide View on First cover since Action Comics #18 (1939) to not include Superman or anything related to Superman
DC 1989 Action Comics #636 View Series Low $1 Mid $2 High $4 Price Guide View on 1st appearance of the second Phantom Lady, Dee Tyler
DC 1989 Action Comics #640 View Series Low $1 Mid $2 High $8 Price Guide View on Homophobic slurs printed on protest signs
DC 1989 Action Comics #643 View Series Variants (1) Low $1 Mid $2 High $10 Price Guide View on Cover art by George Perez inspired by Superman #1 (1939)
DC 1989 Action Comics #645 View Series Variants (1) Low $1 Mid $2 High $10 Price Guide View on 1st full appearance of Maxima, a representative of Almerac sent out into the galaxy to find a mate to repopulate her world - cameo (voice only) in Adventures of Superman #458 [January 2026 - Maxima is rumored to be in the Superman sequel]