| Issue | #21 |
| Published | December 1979 |
| Cover Price | 0.40 |
| Pages | 36 |
| Editing | Jim Shooter |
| Genre | superhero |
| Pencils | Marie Severin |
| Inks | Steve Leialoha |
| Letters | Irving Watanabe |
| Characters | I: Scotty McDowell |
| Genre | superhero |
| Script | Michael Fleisher |
| Pencils | Frank Springer (breakdowns); Mike Esposito (finished art) |
| Inks | Mike Esposito |
| Colors | Ben Sean |
| Letters | Gaspar Saladino (page one), Diana Albers |