| Issue | #18 |
| Published | July 1948 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Stan Lee* |
| Genre | superhero |
| Pencils | Ken Bald |
| Inks | Ken Bald |
| Characters | Ignatius Fowler (Introduction, villain) |
| Genre | superhero |
| Pencils | Vince Alascia |
| Inks | Ken Bald |
| Characters | Sub-Mariner; Namora; The Tattler (first appearance; villain) |
| Genre | superhero |
| Pencils | John Fagaly |
| Inks | John Fagaly |
| Genre | superhero |
| Pencils | Ken Bald |
| Notes | Inks credits originally given to Mike Sekowsky in error (per Tony Isabella, March 30, 2006) |