| Issue | #21 |
| Published | Spring 1980 |
| Frequency | four times a year |
| Cover Price | 1.25 USD |
| Pages | 68 |
| Editing | Jim Shooter (Editor-in-Chief); Lynn Graeme (Editor); Ralph Macchio (Associate Editor); Roy Thomas (Consulting Editor) |
| Notes | Average number of copies sold 57,744 of 177,887. Actual number of copies sold 53,307 of 176,900. |
| Genre | superhero |
| Script | Doug Moench |
| Pencils | Bill Sienkiewicz |
| Inks | Klaus Janson |
| Colors | Steve Oliff; Bob Larkin (painted) |
| Reprinted | In Moon Knight Special Edition #3 (November 1983); in Moon Knight: Countdown to Dark (Marvel, 2010 series) #[nn] |
| Genre | superhero |
| Script | Doug Moench |
| Pencils | Bill Sienkiewicz (signed) |
| Inks | Bill Sienkiewicz (signed) |
| Reprinted | In Moon Knight Special Edition #3 (November 1983); in Moon Knight: Countdown to Dark (Marvel, 2010 series) #[nn] |
| Script | Ralph Macchio |
| Letters | typeset |
| Genre | superhero |
| Script | Doug Moench |
| Pencils | Bill Sienkiewicz |
| Inks | Tom Palmer; Bill Sienkiewicz; Dan Green |
| Reprinted | In Moon Knight Special Edition #3 (November 1983); in Moon Knight: Countdown to Dark (Marvel, 2010 series) #[nn] |
| Genre | superhero |
| Script | Doug Moench |
| Pencils | Bill Sienkiewicz |
| Inks | Tom Palmer; Bill Sienkiewicz; Dan Green |
| Reprinted | In Moon Knight Special Edition #3 (November 1983); in Moon Knight: Countdown to Dark (Marvel, 2010 series) #[nn] |
| Script | Roger Stern |
| Letters | typeset |
| Genre | superhero |
| Script | Mark Gruenwald; Steven Grant |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Reprinted | in Marvel Superheroes [Marvel Super-Heroes] (Marvel UK, 1979 series) #383 (March 1982) |
| Genre | occult |
| Letters | typeset |