| Issue | #170 |
| Published | July 1968 |
| Frequency | Monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Synopsis | Battle against Nightmare within the mind of the Ancient One. |
| Genre | superhero |
| Script | Roy Thomas |
| Pencils | Dan Adkins |
| Inks | Dan Adkins |
| Letters | Irving Watanabe |
| Notes | Nightmare, the monarch of magical menace returns |
| Reprinted | In Marvel Treasury Edition #6 (1975) |
| Synopsis | Battle against Nightmare within the mind of the Ancient One. |
| Genre | superhero |
| Script | Roy Thomas |
| Pencils | Dan Adkins |
| Inks | Dan Adkins |
| Letters | Irving Watanabe |
| Notes | Battle against Nightmare within the mind of the Ancient One. |
| Reprinted | in Marvel Treasury Edition (Marvel, 1974 series) #6 (1975) |
| Letters | typeset |
| Notes | Letters from: Niles Blackmore; Joel Rothaizer; Luke Andrews; Bjorn Gasmann; Martin Butner; John McNichols; Weber Lau; Gene Wallace |