| Issue | #4 |
| Published | November 1988 |
| Cover Price | 1.00 USD; 1.35 CAD |
| Pages | 36 |
| Editing | Mike Carlin; Renee Witterstaetter (assistant) |
| Characters | Superman [Clark Kent; Kal-El]; Jimmy Olsen |
| Genre | Superhero |
| Pencils | John Byrne |
| Inks | Dick Giordano |
| Characters | Superman [Clark Kent; Kal-El]; Jimmy Olsen [also as Bart James]; Mrs. Olsen (flashback); Chrissie Walker (flashback); Mr. Krupps (flashback); Lois Lane (flashback); VILLAIN: Fat Eddie Cortes |
| Synopsis | How and why Jimmy invented the signal watch. |
| Genre | Superhero |
| Script | John Byrne |
| Pencils | Win Mortimer |
| Inks | Dick Giordano; Sal Trapani |
| Colors | Tom Ziuko |
| Letters | Albert DeGuzman |