In Superman Vol. 2 #90A (DC Comics, June 1994), part of the "Battle for Metropolis" arc, Superman faces escalating chaos as Lex Luthor’s clone disease destabilizes Metropolis. Written by Dan Jurgens with art by Dan Jurgens and Brett Breeding, the issue depicts Superman clashing with the Underworlders, mutated beings led by the villainous Clawster. As Luthor’s clone tech spirals out of control, Superman teams with Guardian to protect the city. The battle strains Superman’s powers, and he uncovers Luthor’s role in the crisis, setting up a larger confrontation while fighting to save Metropolis from destruction.
