| 0 | The Brute of Mars | cover | 1 | pencils: Dan Zolnerowich; inks: Dan Zolnerowich | |
| 1 | - | comic story | 8 | pencils: John Celardo; inks: Dan Zolnerowich, Reed Crandall, Joe Doolin | Zorix (villain); Queen Lura (introduction); King of Uranus (introduction) |
| 2 | - | comic story | 6 | pencils: Joe Doolin; inks: Joe Doolin | Princess Vona (introduction); Otog (villain, introduction, death) |
| 3 | - | comic story | 6 | script: Hugh Fitzhugh; pencils: Al Gabriele | Reef Ryan (introduction); Vara (introduction); Nepon (introduction); Sarku (villain, introduction) |
| 4 | - | comic story | 6 | script: Douglas McKee; pencils: Bob Welch | Jack North (guest-star); Mercurian pirates (villains, introduction) |
| 5 | - | comic story | 5 | pencils: Don Rico; inks: Don Rico | Auro, Hardwich |
| 6 | The Sargasso Sea of Space | text story | 2 | script: Bjorn Tagens | |
| 7 | The Brute of Mars | comic story | 7 | pencils: Leo Morey | A band of anarchists (villains, introduction); Red Martians (villains, introduction, death) |
| 8 | - | comic story | 6 | script: ? [as William Hyer] | Marna (guest-star); Rusty (introduction); Kurmen (villain); the Moon-Master (villain, introduction) |
| 9 | - | comic story | 6 | script: ? [as Aurelius]; pencils: ? (shop); inks: ? (shop) | Clud (villain, introduction); the Mist-Men (villains, introduction); Princess Jupra (introduction); King Juxor (introduction) |
| 10 | - | comic story | 6 | script: Pagsilang Isip; pencils: Pagsilang Isip; inks: Pagsilang Isip | The "It" Men (vilain, introduction); Stino (villain, introduction); Verna (introduction); Lynturne (introduction) |
| 11 | - | comic story | 6 | script: Olaf Bjorn; pencils: Al Walker; inks: Al Walker | Butch (villain); Slug (villain); other hoodlum penguins (villains, introduction) |