Superman [Clark Kent]; Lois Lane; Jimmy Olsen; Lana Lang; Bill Logan (WGBS substitute anchor); Warden Miles; Guy Blisher (criminal, dies); Norton Larch (criminal); H.I.V.E. [Hierarchy of International Vengeance and Eliminations] (villainous organization formed of minor foes of the JLA); the Krell (aliens living on Superman Island, also in flashback)
Superman deals with the return of Superman Island and the secret inside, as well as the H.I.V.E., a new organization that wants the secret inside that island.
Computers around the world are out of control. Superman enlists the aid of Hawkman to stop nuclear missiles from destroying the world. At the Fortress of Solitude, Superman is attacked by his security robots and other defenses. Superman discovers that Brainiac is controlling the Fortress and other computers. Avoiding his trap, Superman is able to reprogram Brainiac into becoming a force for good.