| Issue | #3 |
| Published | October 1939 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Victor Fox? |
| Characters | The Green Mask [Michael Shelby] |
| Pencils | Lou Fine |
| Inks | Lou Fine |
| Characters | The Green Mask [Michael Shelby]; J. J. Fakin (first appearance; villain; also spelled "Faken") |
| Pencils | Walter Frame |
| Inks | Walter Frame |
| Characters | Rex Dexter; Cynde |
| Synopsis | Rex and Cynde are exiled from Earth |
| Pencils | Dick Briefer |
| Inks | Dick Briefer |
| Script | Norman Lee |
| Pencils | Norman Lee |
| Inks | Norman Lee |
| Characters | V: Chen Chang |
| Pencils | Munson Paddock [as Cecilia Munson] |
| Inks | Munson Paddock |
| Pencils | George Tuska [ as Floyd Kelly] |
| Inks | George Tuska |
| Characters | Lt. Drake; Basil Older (first appearance; villain) |
| Pencils | Klaus Nordling |
| Inks | Klaus Nordling |
| Script | Fred Schwab |
| Pencils | Fred Schwab |
| Inks | Fred Schwab |
| Script | Clyde H. Kleinert |
| Letters | typeset |
| Characters | next app. in GREEN MASK #3 |
| Pencils | Arthur Peddy |
| Inks | Arthur Peddy |
| Characters | The Blue Beetle [Dan Garrett]; Spike and his gang (first appearance; villains) |
| Script | Will Eisner? |
| Pencils | Charles Nicholas |
| Inks | Charles Nicholas |
| Notes | Blue Beetle gains eye-mask; costume still has short sleeves |
| Characters | Inspector Bancroft; Seurat Khan (first appearance; villain) |
| Pencils | Art Franklin |
| Inks | Art Franklln |
| Characters | D-13 [Richard Anthony]; The Nazis (villains) |
| Pencils | Bob Powell |
| Inks | Bob Powell |
| Pencils | John Lindermayer [as L. Mayor] |
| Inks | John Lindermayer [as L. Mayor] |
| Characters | V: Sanchoo (I) |
| Pencils | George Tuska |
| Inks | George Tuska |