| Issue | #484 |
| Published | November 1991 |
| Cover Price | 1.00 USD; 1.25 CAD |
| Pages | 36 |
| Editing | Mike Carlin; Dan Thorsland (assistant) |
| Notes | 1991 Triangle #37. |
| Characters | Superman [Clark Kent; Kal-El]; Professor Emil Hamilton |
| Genre | Superhero |
| Pencils | Jerry Ordway (signed) |
| Inks | Jerry Ordway (signed) |
| Colors | Jerry Ordway (signed) |
| Notes | 1991 Triangle #37. |
| Characters | Superman [Clark Kent; Kal-El]; Lois Lane; Professor Emil Hamilton; Ron Troupe; Collin Thornton; Jonathan Kent (flashback); Martha Kent (flashback); Linear Man (flashback); Chuck; VILLAINS: Mr. Z; Lex Luthor (newspaper photo); Mr. Mxyzptlk (flashback) |
| Synopsis | Mr. Z uses Professor Hamilton to set a trap for Superman. When Hamilton tries to free Superman from the trap, he blows the power grid in Metropolis, and causes Mr. Z and Superman to get amnesia. |
| Genre | Superhero |
| Script | Dennis Janke (plot); Jerry Ordway (plot; script) |
| Pencils | Tom Grummett |
| Inks | Doug Hazlewood |
| Colors | Glenn Whitmore |
| Letters | Albert DeGuzman |
| Notes | Story continues in ACTION COMICS (DC, 1938 series) #671. |
| Script | Dan Thorsland |
| Letters | typeset |
| Notes | Letters from readers - Bob Elinskas, Richard McDowell, Jr., Marc Johnson, John M. DeMocko, Tom Longfellow and A.C. Newman - and responses from Dan Thorsland. |