| Issue | #12 |
| Published | December 1977 |
| Cover Price | $0.35 |
| Pages | 36 |
| Editing | Archie Goodwin |
| Notes | Letters page replies by Chris Claremont. Cover credits confirmed in the letters page to Ms. Marvel #17; addition of John Romita to pencils by Mark Levy via the GCD Error List (28 May 2006) with the original art as confirmation. Further information provided 2006 by Joe Rubinstein. |
| Characters | Ms. Marvel; Hecate |
| Genre | superhero |
| Pencils | Jim Starlin; John Romita (Ms. Marvel figure); Alan Weiss (figures on right and cloak on left) |
| Inks | Joe Rubinstein |
| Letters | Dan Crespi ? |
| Notes | Letters page replies by Chris Claremont. Cover credits confirmed in the letters page to Ms. Marvel #17; addition of John Romita to pencils by Mark Levy via the GCD Error List (28 May 2006) with the original art as confirmation. Further information provided 2006 by Joe Rubinstein. |
| Reprinted | In Essential Ms. Marvel #1 |
| Characters | FEATURE: Ms. Marvel; GUESTS: Hecate; Miles Olddan; Asp Harper (Death); Zephyr; Salia Petrie; VILLAINS: Magnum; Hellfire; Hydron |
| Genre | superhero |
| Script | Chris Claremont |
| Pencils | Sal Buscema (breakdowns); Joe Sinnott (finished art) |
| Inks | Joe Sinnott |
| Colors | George Roussos |
| Letters | Annette Kawecki |
| Reprinted | In Essential Ms. Marvel #1; in Fantastici Quattro, I (Editoriale Corno, 1971 series) #227 |