| Issue | #421 |
| Published | July 1986 |
| Cover Price | 0.75 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Cover pencils and inks credits confirmed from Julius Schwartz's editorial records, provided by DC Comics (19 August 2007). |
| Characters | Superman |
| Genre | superhero |
| Pencils | Denys Cowan |
| Inks | Jerry Ordway |
| Notes | Cover pencils and inks credits confirmed from Julius Schwartz's editorial records, provided by DC Comics (19 August 2007). |
| Genre | superhero |
| Script | Cary Bates |
| Pencils | Curt Swan |
| Inks | Dave Hunt |
| Colors | Gene D'Angelo |
| Letters | Gaspar Saladino |
| Notes | Script, pencils, and inks credits confirmed from Julius Schwartz's editorial records, provided by DC Comics (19 August 2007). |