| Issue | #20 |
| Published | August 1974 |
| Cover Price | 0.25 |
| Pages | 36 |
| Editing | Roy Thomas |
| Notes | Pencils and inks in dispute: Giacoia/Esposito (Nick Caputo) or Gil Kane (layout)/John Romita (Lou Mougin/Bob Bailey/Bob Ford). (Per Sandell ed.) |
| Characters | Werewolf [Jack Russell] |
| Genre | occult |
| Pencils | Gil Kane ? (layout); Frank Giacoia ? |
| Inks | Mike Esposito ?; John Romita ? |
| Notes | Pencils and inks in dispute: Giacoia/Esposito (Nick Caputo) or Gil Kane (layout)/John Romita (Lou Mougin/Bob Bailey/Bob Ford). (Per Sandell ed.) |
| Reprinted | In Essential Werewolf By Night (Marvel 2005 series) #1 |
| Characters | Werewolf [Jack Russell]; Baron Thunder (Villain, Death); Ma Mayhem (Villain, Death); Tigra [Greer Nelson] (Flashback Cameo); Louis Belski (Flashback Cameo); Raymond Coker; Clary Winter; Lt. Lou Hackett; Geraldo Kabal; Lissa Russell |
| Synopsis | Jack saves his sister Lissa from Baron Thunder and Ma Mayhem. |
| Genre | occult |
| Script | Doug Moench |
| Pencils | Don Perlin |
| Inks | Vince Colletta |
| Colors | Petra Goldberg |
| Letters | David Hunt |
| Notes | Continued in part from Giant-Size Creatures #1. |
| Reprinted | In Essential Werewolf By Night (Marvel 2005 series) #1 |