| 0 | - | cover | 1 | pencils: Lou Fine; inks: Lou Fine | Hercules [Joe Hercules] |
| 1 | Peril in the Park | comic story | 9 | pencils: Reed Crandall; inks: Reed Crandall | Carpis (villain, introduction); his gang (villains, introductions) |
| 2 | One Hamburger with Trouble | comic story | 6 | script: Bob Powell; pencils: Al Bryant; inks: Al Bryant | Mike Renella (villain, introduction); his gang (villains, introductions) |
| 3 | An Odorless Perfume | comic story | 1 | script: Jack Cole; pencils: Jack Cole; inks: Jack Cole | |
| 4 | The Medical Supply Smugglers | comic story | 5 | script: S. M. Iger; pencils: Alex Blum; inks: Alex Blum | |
| 5 | Lion Boy Is in Love | comic story | 5 | pencils: Henry Kiefer; inks: Henry Kiefer | Mary Blake (guest-star); Jim (introduction); Otto (villain, introduction); his partner (villain, introduction) |
| 6 | Baron Revals | comic story | 5 | script: Klaus Nordling; pencils: Klaus Nordling; inks: Klaus Nordling | Baron Revals (villain, introduction) |
| 7 | Grotoff's Underground Underworld | comic story | 6 | script: Toni Blum; pencils: Witmer Williams; inks: Witmer Williams | The Red Bee [Rick Raleigh] (Assistant District Attorney); Grotoff (villain, introduction); Grotoff's gang (villains, introduction for all) |
| 8 | - | comic story | 1 | script: Arthur Beeman; pencils: Arthur Beeman; inks: Arthur Beeman | |
| 9 | The Secret Pact | comic story | 5 | script: S. M. Iger; pencils: Alex Blum; inks: Alex Blum | Neon [Tom Corbet]; Tchebitsky (villain, introduction); Otto Schickler (villain) |
| 10 | Dark Side of the Moon | comic story | 4 | script: Maurice Gutwirth; pencils: Maurice Gutwirth; inks: Maurice Gutwirth | |
| 11 | Murder in the Sun | text story | 2 | script: Toni Blum [as Tony Boone]; letters: typeset | |
| 12 | Assignment: Paris | comic story | 4 | pencils: George Appel; inks: George Appel | The Nazis (villains) |
| 13 | The Phantom Peacemakers | comic story | 4 | pencils: George Appel; inks: George Appel | |
| 14 | Sabotage at Acme Aircraft | comic story | 7 | pencils: Al Bryant; inks: Al Bryant | A gang of saboteurs (villains, introductions, one death) |