In the wake of The Death of Supermen, the world is still mourning the loss of the Man of Steel following his fatal battle with the monster Doomsday. However, no sooner as his body been laid to rest than do four new bearers of the Superman shield come forward to take on the mantle. The Last Son of Krypton, Superboy, Steel, and the Cyborg Superman all attempt to fill the vacuum left by the world's greatest champion. Meanwhile, Superman's death has also signaled to the universe that Earth is vulnerable. Can these new Supermen and the rest of the heroes prove them wrong?
Jerry O'Connell
as Clark Kent / Superman / Cyborg Superman (voice)
Rebecca Romijn
as Lois Lane (voice)
Rainn Wilson
as Lex Luthor (voice)
Cress Williams
as John Henry Irons / Steel (voice)
Cameron Monaghan
as Connor Kent / Superboy (voice)
Charles Halford
as Eradicator / Bibbo Bibbowski (voice)
Patrick Fabian
as Hank Henshaw (voice)
Rosario Dawson
as Diana Prince / Wonder Woman (voice)
Jason O'Mara
as Bruce Wayne / Batman (voice)
Shemar Moore
as Victor Stone / Cyborg (voice)
Nathan Fillion
as Green Lantern / Hal Jordan (voice)
Christopher Gorham
as Barry Allen / The Flash (voice)
