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?
Unfortunately the movie Reign of the Supermen is not yet available on HBO Max.
| Art | Jarelle Dampier | Storyboard Artist |
| Writing | Dan Jurgens | Characters |
| Writing | Louise Simonson | Characters |
| Writing | Roger Stern | Characters |
| Writing | Tim Sheridan | Writer |
| Sound | Frederik Wiedmann | Original Music Composer |
| Writing | Bill Finger | Characters |
| Writing | Marv Wolfman | Characters |
| Writing | Jack Kirby | Characters |
| Writing | George Pérez | Characters |
| Writing | Bob Kane | Characters |
| Writing | Jerry Ordway | Characters |
| Writing | William Moulton Marston | Characters |
| Writing | Joe Certa | Characters |
| Writing | Jon Bogdanove | Characters |
| Writing | Joe Samachson | Characters |
| Production | Sam Register | Executive Producer |
| Production | James Tucker | Executive Producer |
| Production | Alan Burnett | Co-Producer |
| Production | Wes Gleason | Casting |
| Directing | Sam Liu | Director |
| Sound | Evan Dockter | Sound Designer |
| Writing | James Krieg | Writer |
| Writing | Jerry Siegel | Characters |
| Writing | Joe Shuster | Characters |
| Production | Amy McKenna | Producer |
| Editing | Christopher D. Lozinski | Editor |
| Production | Matthew Mahoney | Associate Producer |
| Production | Sam Liu | Producer |
