| Issue | #1 |
| Published | July 1975 |
| Cover Price | 1.00 USD |
| Pages | 76 |
| Editing | Tony Isabella |
| Notes | Cover based on the cover to Supernatural Thrillers #1 by Jim Steranko. |
| Characters | It |
| Genre | Horror |
| Pencils | Gray Morrow (signed) |
| Inks | Gray Morrow (signed) |
| Notes | Cover based on the cover to Supernatural Thrillers #1 by Jim Steranko. |
| Characters | Jack the Ripper |
| Genre | Occult |
| Pencils | Gil Kane |
| Inks | Tom Palmer [as Tom's Place] |
| Editing | Roy Thomas (Original Editor) |
| Reprinted | from Journey Into Mystery (Marvel, 1972 series) #2 (December 1972) [without logo] |
| Characters | It |
| Pencils | Gray Morrow (signed) |
| Inks | Gray Morrow (signed) |
| Notes | Listing of stories for this issue, overall credits for the issue, a small reprint of the cover and the issue's indicia. |
| Script | Tony Isabella |
| Letters | Typeset |
| Notes | Editorial by Tony Isabella. |
| Characters | It; Kimbo (death); Cory Drew; Alton Drew (death); Babe Drew; Clissa Drew; Roger Kirk's bones |
| Synopsis | The muck-encrusted monster named It shambles thru the forest, where it encounters the Drew family. |
| Genre | Horror |
| Script | Roy Thomas (Adaptation); Theodore Sturgeon (Original Story) |
| Pencils | Marie Severin |
| Inks | Frank Giacoia |
| Editing | Stan Lee (Original Editor) |
| Notes | Adapted from Theodore Sturgeon's story. |
| Reprinted | from Supernatural Thrillers (Marvel, 1972 series) #1 (December 1972) |
| Characters | Juan Lopez (death); Steve Brill; Hernando De Estrada (flashback); Don Santiago De Valdez |
| Genre | Horror |
| Script | Gardner Fox (Adaptation); Robert E. Howard (Original Story) |
| Pencils | Frank Brunner |
| Inks | Frank Brunner |
| Editing | Roy Thomas (Original Editor) |
| Notes | Adapted from Robert E. Howard's story. |
| Reprinted | from Chamber of Chills (Marvel, 1972 series) #2 (January 1973) [original title: The Monster From the Mound] |
| Characters | Angelo Ricci; Joe Czanek; Manuel Silva; Amos |
| Genre | Horror |
| Script | Roy Thomas (Adaptation); H. P. Lovecraft (Original Story) |
| Pencils | Barry Windsor-Smith [as Barry Smith] |
| Inks | Dan Adkins; John Verpoorten |
| Editing | Stan Lee (Original Editor) |
| Notes | Adapted from H. P. Lovecraft's story. |
| Reprinted | from Tower of Shadows (Marvel, 1969 series) #3 (January 1970) |
| Script | Tony Isabella |
| Letters | Typeset |
| Notes | Text article about the various writers represented in this issue. Script credit taken from the Unofficial Handbook of Marvel Comics Creators website. |
| Characters | Aunt Mary; Ernest; Clodetta; Henry (death); Ernest's Grandfather (flashback); Henry's Father (flashback); Lisa; Sam |
| Genre | Horror |
| Script | Tony Isabella (Adaptation); August Derleth (Original Story) |
| Pencils | Esteban Maroto |
| Inks | Esteban Maroto |
| Editing | Roy Thomas (Original Editor) |
| Notes | Adapted from August Derleth's story. |
| Reprinted | from Vampire Tales (Marvel, 1973 series) #4 (April 1974) |
| Characters | Robert; Bronson; Ludvig Prinn (flashback); Shambler from the Stars |
| Genre | Horror |
| Script | Ron Goulart (Adaptation); Robert Bloch (Original Story) |
| Pencils | Jim Starlin |
| Inks | Tom Palmer |
| Editing | Roy Thomas (Original Editor) |
| Notes | Adapted from Robert Bloch's story. |
| Reprinted | from Journey Into Mystery (Marvel, 1972 series) #3 (February 1973) |
| Script | Don Thompson; Maggie Thompson |
| Pencils | Wayne Howard |
| Inks | Wayne Howard |
| Letters | Typeset |
| Notes | Text article about horror in its many forms, including movies and books. Pencils and inks credits taken from the Unofficial Handbook of Marvel Comics Creators website. |
| Genre | Horror; Comedy |
| Script | Stu Schwartzberg |
| Pencils | Stu Schwartzberg (signed) |
| Inks | Stu Schwartzberg (signed) |
| Notes | Three terror cartoons. First line is "So what did you used to do at night for kicks, pal?" |
| Characters | John Carmody [Jack the Ripper]; Sir Guy Hollis; Lt. Colma; Dick Poole; Jack the Ripper |
| Genre | Horror |
| Script | Robert Bloch (Original Story); Ron Goulart (Adaptation); Roy Thomas (Adaptation) |
| Pencils | Gil Kane |
| Inks | Ralph Reese |
| Notes | Adapting the story by Robert Bloch. |
| Reprinted | from Journey Into Mystery (Marvel, 1972 series) #2 (December 1972) |
| Characters | Invisible Man |
| Pencils | Jim Steranko |
| Inks | Jim Steranko |
| Letters | Typeset |
| Notes | Promo for the next issue using the artwork from the cover to Supernatural Thrillers #2. |
| Characters | It; Jack the Ripper |
| Pencils | Marie Severin; Gil Kane |
| Inks | Frank Giacoia; Ralph Reese |
| Letters | Typeset |
| Notes | Promos for the stories It and Yours Truly... Jack the Ripper! in this issue using panels from the stories. |