| 0 | - | cover | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Human Torch [Jim Hammond]; Toro |
| 1 | Prescriptions For Death | comic story | 12 | pencils: Harry Sahle; inks: Harry Sahle | Mikkel (villain, introduction); his spy ring (villains, introductions) |
| 2 | Terror of the Boiling Seas | comic story | 12 | pencils: Carl Pfeufer; inks: Carl Pfeufer | Adolf Hitler (villain); Josef Goebbels (villain); Kapitan Sturm (villain, introduction, death) |
| 3 | The Case of the Missing Link | comic story | 7 | script: Ray Gill; pencils: Bob Oksner; inks: Bob Oksner | Deadline Dawson (guest-star); Mr. Kurt (villain, introduction); Heinrich Himmelman (villain, introduction) |
| 4 | Johnny Does His Bit | text story | 2 | letters: typeset | |
| 5 | The Asteroid Monsters | comic story | 7 | | Seraq (villain, introduction, death); Notoi (villain, introduction, death); other aliens (villains, introductions, deaths) |
| 6 | Marvel Mystery Quiz | activity | 1.5 | pencils: ? (illustration); inks: ? (illustration) | |
| 7 | The Wump Jump and the Tire Thieves | comic story | 6 | script: Eddie Robbins; pencils: Eddie Robbins; inks: Eddie Robbins | Wump Jump (guest-star); Ruffy Rabbit (guest-star); A gang of tire thieves (villains); Mr. Jupiter (Jimmy's father, introduction) |
| 8 | The Disappearing Spies | comic story | 6 | pencils: Syd Shores; inks: Allen Bellman | Klugg (villain, introduction); other Nazi spies (villains, introductions) |
| 9 | Quarantine For Murder | comic story | 10 | script: Roy Garn; pencils: Gus Schrotter; inks: Gus Schrotter | The Angel; Fritz Von Bock (villain, introduction); Otto (villain, introduction); Kurt (villain, introduction); other Nazi spies (villains, introductions); Dr. C. J. Noon (introduction) |