| Issue | #18 |
| Published | October 1969 |
| Cover Price | 0.15 |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Romita cover credit suggested 2006 by Nick Caputo. |
| Genre | superhero |
| Pencils | Marie Severin |
| Inks | Mike Esposito; John Romita (cover alterations) |
| Notes | Romita cover credit suggested 2006 by Nick Caputo. |
| Reprinted | in Fantastici Quattro, I (Editoriale Corno, 1971 series) #74 |
| Characters | GS: Triton; V: Stalker (D), Kormok, Alpha Centaurians |
| Genre | superhero |
| Script | Roy Thomas |
| Pencils | Marie Severin |
| Inks | Mike Esposito (Joe Gaudioso) |
| Colors | Marie Severin |
| Letters | Artie Simek |
| Notes | Namor loses his water-breathing powers |
| Reprinted | in Fantastici Quattro, I (Editoriale Corno, 1971 series) #74 |