| Issue | #4 |
| Published | August 1968 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Characters | Captain Marvel [Mar-Vell]; Sub-Mariner |
| Genre | superhero |
| Pencils | Gene Colan |
| Inks | Vince Colletta |
| Reprinted | in Fantastici Quattro, I (Editoriale Corno, 1971 series) #27; in Marvel Masterworks: Captain Marvel (Marvel, 2005 series) #1 |
| Characters | Sub-Mariner |
| Genre | superhero |
| Script | Roy Thomas |
| Pencils | Gene Colan |
| Inks | Vince Colletta |
| Letters | Irving Watanabe |
| Reprinted | in Fantastici Quattro, I (Editoriale Corno, 1971 series) #26 [part 1]; in Fantastici Quattro, I (Editoriale Corno, 1971 series) #27 [part 2]; in Marvel Masterworks: Captain Marvel (Marvel, 2005 series) #1. |