| Issue | #664 |
| Published | April 1991 |
| Cover Price | 1.00 USD; 1.25 CAD |
| Pages | 36 |
| Editing | Mike Carlin; Dan Thorsland (assistant) |
| Notes | 1991 Triangle #12. |
| Characters | Superman [Clark Kent; Kal-El] |
| Genre | Superhero |
| Pencils | Kerry Gammill (signed) |
| Inks | Dennis Janke (signed) |
| Colors | Brett Breeding |
| Notes | 1991 Triangle #12. |
| Reprinted | in Superman: Time and Time Again (DC, 1994 series) #nn |
| Characters | Superman [Clark Kent; Kal-El]; Lois Lane; Jimmy Olsen; Lucy Lane; Sarah Olsen; Bibbo Bibboswki; Perry White; Alice White; Elroy (Lois' cat); Blue Beetle [Ted Kord] (flashback); The H'v'ler'ni; VILLAIN: Chronos [David Clinton] |
| Synopsis | Superman meets Chronos in the age of dinosaurs. |
| Genre | Superhero |
| Script | Roger Stern |
| Pencils | Bob McLeod |
| Inks | Bob McLeod |
| Colors | Glenn Whitmore |
| Letters | Bill Oakley |
| Notes | Story continued from ADVENTURES OF SUPERMAN (DC, 1987 series) #477 and story continues in SUPERMAN (DC, 1987 series) #55. Chronos was stuck in the past in BLUE BEETLE (DC, 1987 series) #22. |
| Reprinted | in Superman: Time and Time Again (DC, 1994 series) #nn |
| Script | Dan Thorsland |
| Letters | typeset |
| Notes | Letters from readers - Kevin J. Conley, Charlie Harris, Ali T. Kokmen, Justin Pollack, Eric Skudlarczyk, Michal Jacot, Jerry Smith and Randy Keefe - and responses from Dan Thorsland. |