| Issue | #444 |
| Published | September 1988 |
| Cover Price | 0.75 USD; 1.00 CAD |
| Pages | 36 |
| Editing | Mike Carlin; Renee Witterstaetter (assistant) |
| Characters | Superman [Clark Kent; Kal-El] |
| Genre | Superhero |
| Pencils | Jerry Ordway |
| Inks | Jerry Ordway |
| Characters | Superman [Clark Kent; Kal-El]; Supergirl [Matrix; as Lana Lang in flashback] (Pocket Universe); Lex Luthor (Pocket Universe); Pete Ross (Pocket Universe); Bruce Wayne (first appearance; Pocket Universe); Oliver Queen (first appearance; Pocket Universe); Hal Jordan (first appearance; Pocket Universe); Legion of Super-Heroes [Cosmic Boy; Lightning Lad; Saturn Girl] (flashback); VILLAINS: Time Trapper (flashback); General Zod (first post-Crisis appearance; Pocket Universe); Quex-Ul (first post-Crisis appearance; Pocket Universe); Zaora (first post-Crisis appearance; Pocket Universe) |
| Synopsis | Lex Luthor explains how he was tricked into releasing the criminals from the Phantom Zone, and how they proceeded to kill billions of people. |
| Genre | Superhero |
| Script | John Byrne (co-plot; script); Jerry Ordway (co-plot) |
| Pencils | Jerry Ordway |
| Inks | Dennis Janke |
| Colors | Petra Scotese |
| Letters | Albert DeGuzman |
| Notes | Story contined from SUPERMAN (DC, 1987 series) #21 and story continues in SUPERMAN (DC, 1987 series) #22. |
| Script | Renee Witterstaetter |
| Letters | typeset |
| Notes | Letters from readers - Hurricane Heeran, Dale Coe, Chris Khalaf, Thomas Romano, Elizabeth Holden, Jeff Mitchell, Joe Hilliard, Jacob Gilbert, Ann C.H. Brachwitz and Jay Roe - and responses from Renee Witterstaetter. |