| Issue | #77 |
| Published | September 1965 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Genre | western |
| Pencils | Dick Ayers |
| Inks | Dick Ayers |
| Reprinted | in Two Gun Kid (Marvel, 1953 series) #119 |
| Characters | The Panther [Prof. Elixir] (Villain; Introduction) |
| Genre | western |
| Script | Stan Lee; Al Hartley |
| Pencils | Dick Ayers |
| Inks | Carl Hubbell |
| Letters | Artie Simek |
| Reprinted | in Two Gun Kid (Marvel, 1953 series) #119 |
| Genre | Western |
| Script | Stan Lee |
| Pencils | Jack Kirby |
| Inks | Dick Ayers |
| Reprinted | from Kid Colt Outlaw (Marvel, 1949 series) #96 |