| Issue | #20 |
| Published | December 1943 |
| Cover Price | 0.10 USD |
| Pages | 60 |
| Editing | Will Lieberson |
| Characters | Mary Marvel |
| Genre | superhero |
| Pencils | Jack Binder |
| Inks | Jack Binder |
| Characters | Mr. Scarlet; Hypo Kondriak (villain; first appearance) |
| Genre | superhero |
| Pencils | Jack Binder? |
| Inks | Jack Binder? |
| Script | Ray Berry |
| Letters | typeset |
| Characters | Commando Yank |
| Genre | superhero |
| Genre | Humor |
| Genre | detective; humor |
| Script | Dick McKay |
| Pencils | Dick McKay |
| Inks | Dick McKay |
| Characters | Mary Marvel; Carlton Carroway (first appearance; a ghost) |
| Genre | superhero |
| Pencils | Jack Binder |
| Inks | Jack Binder |
| Characters | V: Herr Phake (I); Adolf Hitler; Hermann Goering |
| Genre | aviation |
| Script | Otto Binder |
| Pencils | Bert Whitman? |
| Inks | Bert Whitman? |