| 0 | - | cover | 1 | pencils: Gill Fox; inks: Gill Fox | The Black Condor [Richard Grey, Jr.]; The Clock [Brian O'Brien] (inset); Jane Arden (inset); Alias the Spider [Tom Hallaway] (inset); Molly the Model (inset) |
| 1 | The Menace of the Thinking Machines | comic story | 9 | pencils: Lou Fine; inks: Lou Fine | The Black Condor [Richard Grey, Jr.]; Lung Woe (villain, introduction, death); un-named enemy Nazi spy (villain, introduction); the Spinning Deaths (villains, introduction, sentient machines, all die) |
| 2 | - | comic story | 2 | script: John Devlin; pencils: John Devlin; inks: John Devlin | Molly the Model |
| 3 | - | cartoon | 0.5 | script: Ed Reed; pencils: Ed Reed; inks: Ed Reed | |
| 4 | Vendrome's Electrical Weapon | comic story | 5 | script: Vern Henkel; pencils: Vern Henkel; inks: Vern Henkel | Space Legion; Rock Braddon; Dr. Wadsworth; Elaine Wadsworth; Vendrome (first appearance villain; death) |
| 5 | The Secret of the Rex | comic story | 5 | script: Art Pinajian; pencils: Art Pinajian; inks: Art Pinajian | Madam Fatal [Richard Stanton]; Dr. Prowl (first appearance); Thor (first appearance); Trag (first appearance; villain); Prof. Crane (first appearance; villain) |
| 6 | Allied with the Black Shark | comic story | 5 | script: Henry Kiefer; pencils: Henry Kiefer; inks: Henry Kiefer | The Red Torpedo [Jim Lockhart]; Capt. Arville (introduction, death); Black Shark (villain); the Nazis (villains); Herr Schaft (villain, introduction, death) |
| 7 | - | comic story | 2 | script: Monte Barrett; pencils: Russell Ross; inks: Russell Ross | Jane Arden |
| 8 | - | comic story | 2 | script: Monte Barrett; pencils: Russell Ross; inks: Russell Ross | |
| 9 | The Boy and the Bank Robbers | comic story | 6 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | The Spider [Tom Hallaway]; Chuck; Bobby (introduction); the "old timer" (introduction); Mike (villain); Spud (villain) |
| 10 | The Saboteurs and the Train Crash | comic story | 4 | script: Terrence Macauley; pencils: Nick Cardy; inks: Nick Cardy | Lee Preston; Rick Royce |
| 11 | - | comic story | 2 | script: Arthur Beeman; pencils: Arthur Beeman; inks: Arthur Beeman | |
| 12 | - | comic story | 4 | script: Bob Zuppke; pencils: Walt Depew; inks: Walt Depew | Ned Brant |
| 13 | Jungle Blitzkrieg | text story | 2 | script: Larry Spain | Eric Vale |
| 14 | The Anti-Gun Judge | comic story | 1 | script: Gill Fox; pencils: Gill Fox; inks: Gill Fox | |
| 15 | With Remote Control | comic story | 5 | script: Harry Campbell; pencils: Henry Taylor; inks: Henry Taylor | Wizard Wells; Tug; Jason Terrell (first appearance); Betty Terrell (first appearance); Ralph Terrell (villain); John Terrell (villain) |
| 16 | - | comic story | 1 | script: Rube Goldberg; pencils: Rube Goldberg; inks: Rube Goldberg | |
| 17 | Stuporman | comic story | 7 | script: George Brenner; pencils: George Brenner; inks: George Brenner | The Clock [Brian O'Brien]; Pat "Pug" Brady; Stuporman (villain, introduction, death); Snoop Cadrone (villain, introduction, death) |