| Issue | #6 |
| Published | June 1974 |
| Cover Price | 0.75 USD |
| Pages | 68 |
| Editing | Roy Thomas |
| Characters | Frankenstein Monster |
| Genre | Monster |
| Pencils | Boris Vallejo (painted) |
| Inks | Boris Vallejo (painted) |
| Colors | Boris Vallejo (painted) |
| Reprinted | In Essential Monster of Frankenstein (Marvel, 2004 series) #1 |
| Script | Tony Isabella |
| Pencils | Ernie Chan [as Ernie Chua] |
| Inks | Ernie Chan [as Ernie Chua] |
| Reprinted | In Monsters Unleashed Annual #1 (1975) |
| Characters | Frankenstein Monster; The Master (first appearance; villain); Derek McDowell; James; Dr. Wallach |
| Synopsis | The original brain of the Frankenstein Monster is returned to his body, while the brain of James is placed inside the animated corpse of Derek McDowell. |
| Genre | Monster |
| Script | Doug Moench |
| Pencils | Val Mayerik |
| Inks | Val Mayerik |
| Reprinted | In Essential Monster of Frankenstein (Marvel, 2004 series) #1 |
| Genre | Horror |
| Pencils | Sam Kweskin |
| Inks | Sam Kweskin |
| Reprinted | from Adventures into Terror (Marvel, 1951 series) #19 |
| Genre | Horror |
| Script | Gerry Conway |
| Pencils | Carlo Freixas |
| Inks | Carlo Freixas |
| Letters | June Braverman |
| Script | Gerry Conway |
| Letters | typeset |
| Notes | Werewolf By Night; illos by Mike Ploog; cont'd next issue |
| Genre | Horror |
| Script | Paul S. Newman |
| Pencils | Hy Rosen |
| Inks | Hy Rosen |
| Reprinted | from Adventures into Terror (Marvel, 1951 series) #19 |
| Script | Tony Isabella |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Notes | cameo: Adolf Hitler |
| Genre | Horror |
| Script | Doug Moench |
| Pencils | Alfonso Font |
| Inks | Alfonso Font |