| Issue | #21 |
| Published | May 1942 |
| Cover Price | 0.10 USD |
| Editing | Lev Gleason |
| Pencils | Edd Ashe |
| Inks | Edd Ashe |
| Script | Leslie Charteris? |
| Pencils | Edd Ashe |
| Inks | Edd Ashe |
| Notes | w/ Churchill & Roosevelt |
| Pencils | Art Gates |
| Inks | Art Gates |
| Pencils | Jack Binder |
| Inks | Jack Binder |
| Reprinted | in Magnificent Superheroes of Comics Golden Age (Vintage Features, 1979 series) #1 |
| Genre | Humor |
| Pencils | Ron Santi |
| Inks | Ron Santi |
| Characters | The Black Mask (Intro) |
| Pencils | Dick Briefer |
| Inks | Dick Briefer |
| Genre | Humor |
| Script | Basil Wolverton |
| Pencils | Basil Wolverton |
| Inks | Basil Wolverton |
| Script | Dick Wood |
| Letters | Typeset |
| Script | Bob Wood? |
| Pencils | Bob Montana |
| Inks | Bob Montana |
| Script | Bob Davis |
| Pencils | Bill Everett |
| Inks | Bill Everett |