| Issue | #4 |
| Published | July 1940 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Ned Pines |
| Pencils | Max Plaisted |
| Inks | Max Plaisted |
| Characters | I: Mara, Martians; V: Xark (I) |
| Pencils | Max Plaisted |
| Inks | Max Plaisted |
| Characters | V: An evil scientist (I, D), Takima (I) |
| Pencils | George Mandel |
| Inks | George Mandel |
| Characters | V: Dr. Lawrence Reid (I, D) |
| Pencils | Raymond Thayer |
| Inks | Raymond Thayer |
| Characters | V: Daggett (I) |
| Script | George Mandel |
| Pencils | George Mandel |
| Inks | George Mandel |
| Colors | George Mandel |
| Characters | V: Chris Toomey (I) |
| Pencils | Raymond Thayer |
| Inks | Raymond Thayer |
| Script | Jackson Cole |
| Colors | Jackson Cole |
| Letters | typeset |
| Characters | V: Nazis |
| Pencils | Leonard Sansone |
| Inks | Leonard Sansone |
| Characters | V: Twist, Moran (I for both) |
| Pencils | Kin Platt? |
| Inks | Kin Platt? |
| Script | John Easterly |
| Letters | typeset |
| Script | Klaus Nordling |
| Pencils | Klaus Nordling |
| Inks | Klaus Nordling |
| Colors | Klaus Nordling |