| Issue | #13 |
| Published | March 1968 |
| Cover Price | 0.25 USD |
| Pages | 68 |
| Editing | Roy Thomas; Gary Friedrich |
| Notes | Verpoorten cover credit provided 2006 by Nick Caputo. |
| Genre | superhero |
| Pencils | Steve Ditko |
| Inks | Steve Ditko; John Verpoorten? (cover alterations) |
| Colors | Stan Goldberg |
| Notes | Verpoorten cover credit provided 2006 by Nick Caputo. |
| Reprinted | from Amazing Spider-Man, The #18 (November 1964) [altered] |
| Genre | superhero |
| Script | Stan Lee |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Colors | Stan Goldberg |
| Letters | Sam Rosen |
| Reprinted | from Amazing Spider-Man, The (Marvel, 1963 series) #18 (November 1964) |
| Genre | superhero |
| Script | Stan Lee |
| Pencils | Russ Heath |
| Inks | Russ Heath |
| Colors | Stan Goldberg |
| Reprinted | from Marvel Boy (Marvel, 1950 series) #1 (December 1950) |
| Genre | superhero |
| Script | Stan Lee |
| Pencils | Dick Ayers |
| Inks | Paul Reinman |
| Colors | Stan Goldberg |
| Letters | Sam Rosen |
| Reprinted | from Tales to Astonish (Marvel, 1959 series) #59 (September 1964) |
| Characters | Thor; Calvin Zabo (I); Jane Foster; Mr. Hyde [Calvin Zabo] (I)(O); Odin |
| Genre | Superhero |
| Script | Stan Lee |
| Pencils | Don Heck |
| Inks | Don Heck |
| Colors | Stan Goldberg |
| Letters | Artie Simek |
| Editing | Stan Lee (Original Editor) |
| Notes | Origin and first appearance of Mr. Hyde, story continues in Journey Into Mystery #100. |
| Reprinted | from Journey Into Mystery (Marvel, 1952 series) #99 (December 1963) |