| Issue | #13 |
| Published | August 1941 |
| Cover Price | 0.10 USD |
| Editing | Lev Gleason |
| Pencils | Jack Binder |
| Inks | Jack Binder |
| Script | Carl Formes |
| Pencils | Jack Binder |
| Inks | Jack Binder |
| Notes | Hale gets a costume, appears in all subsequent stories |
| Characters | The Hyena (Villain; Intro) |
| Script | Don Rico |
| Pencils | Don Rico |
| Inks | Don Rico |
| Notes | Mercury is renamed Meteor |
| Script | Carl Formes |
| Pencils | Jack Binder |
| Inks | Jack Binder |
| Script | Otto Binder? |
| Pencils | Jack Binder (Illustration) |
| Inks | Jack Binder (Illustration) |
| Letters | Typeset |
| Script | Dick Briefer |
| Pencils | Dick Briefer (Richard Norman) |
| Inks | Dick Briefer |
| Script | Fred Guardineer |
| Pencils | Fred Guardineer |
| Inks | Fred Guardineer |
| Characters | Professor Blackthorne (Villain; Intro) |
| Pencils | Dick Briefer (Dick Hamilton) |
| Inks | Dick Briefer |
| Characters | Thun-Dohr (Intro); Sin Khaii (Villain; Intro); Pandora's Box (Intro) |
| Script | Jeff Remon |
| Pencils | Jeff Remon |
| Inks | Jeff Remon |
| Script | Bob Wood |
| Pencils | Bob Wood |
| Inks | Bob Wood |
| Characters | The Scarlet Ckull (Intro); Tonia Saunders |
| Script | Don Rico |
| Pencils | Don Rico |
| Inks | Don Rico |