| 0 | - | cover | 1 | pencils: Jack Kirby; inks: Joe Simon | Defender [Don Stevens] |
| 1 | Major Liberty | illustration | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Major Liberty [John Liberty] |
| 2 | Credits / Contents | table of contents | 2 | letters: typeset | |
| 3 | Introduction | foreword, introduction, preface, afterword | 3 | script: Michael J. Vassallo | |
| 4 | USA Comics #1 | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Joe Simon | Defender [Don Stevens] |
| 5 | Big, All New Smashing Comic Book | promo (ad from the publisher) | 1 | letters: typeset | Human Torch [Jim Hammond]; Toro; Sub-Mariner [Namor]; Captain America [Steve Rogers]; Bucky Barnes; Black Marvel [Dan Lyons]; Angel [Tom Hallaway] |
| 6 | The Defender | comic story | 1 | script: Joe Simon, Jack Kirby; pencils: Joe Simon, Al Avison, Al Gabriele; inks: Joe Simon | Defender [Don Stevens] |
| 7 | The Hideous Dame Kackle | comic story | 18 | | Defender [Don Stevens]; Rusty; Sally Kean; Dame Kackle |
| 8 | Origin of the Whizzer | comic story | 6 | pencils: Al Avison; inks: Al Gabriele | Whizzer [Robert Frank]; Doctor Emil Frank; Granno |
| 9 | The Spirits of Freedom | comic story | 10 | script: Phil Sturm; pencils: Syd Shores; inks: George Klein | Mr. Liberty [John Liberty]; Herr Leader; Adolf Hitler |
| 10 | The Haunted Fireplace | text story | 2 | script: Arthur Cazeneuve | Captain Hennigan; Gregory Stanton; Jamieson |
| 11 | The Tunnel That Led To Death | comic story | 9 | script: Basil Wolverton; pencils: Basil Wolverton, Charles Nicholas; inks: Basil Wolverton, Charles Nicholas | Rockman (introduction, origin); J. J. Gollings; Roffler; Ivan |
| 12 | Captain America Wants You! | promo (ad from the publisher) | 1 | | Captain America [Steve Rogers]; Bucky Barnes |
| 13 | The Coming of the Young Avenger | comic story | 10 | pencils: Howard Purcell; inks: Howard Purcell | Young Avenger [Bill Bryan]; Eric von Himmel |
| 14 | They Know What They Want! | promo (ad from the publisher) | 1 | | Human Torch [Jim Hammond]; Toro; Sub-Mariner [Namor]; Captain America [Steve Rogers]; Thunderer [Jerry Carstairs] |
| 15 | The Origin of Jack Frost | comic story | 6 | script: Stan Lee; pencils: Charles Nicholas; inks: Charles Nicholas | Jack Frost; Doctor Forbes; Alice Forbes; Brian; Hal Jenkins; Mike Zelby |
| 16 | USA Comics #2 | cover reprint (on interior page) | 1 | | Captain Terror [Dan Kane] |
| 17 | Back Comes the Dreaded Red Skull | promo (ad from the publisher) | 1 | | Captain America [Steve Rogers]; Bucky Barnes; Red Skull |
| 18 | The Fiends of the Seas | comic story | 17 | pencils: Mike Suchorsky; inks: Mike Suchorsky | Captain Terror [Dan Kane]; Admiral Leeds; Black Claw |
| 19 | Island Menace!! | comic story | 7 | script: Phil Sturm; pencils: Syd Shores; inks: Syd Shores, George Klein | Major Liberty [John Liberty]; Reynolds; Jarvis |
| 20 | Origin of the Vagabond | comic story | 8 | script: Ed Winiarski; pencils: Ed Winiarski; inks: Ed Winiarski | Vagabond [Pat Murphy]; Kelly; Grogan; Walter Carstairs |
| 21 | The Fog-Gun Gun Runners | comic story | 7 | pencils: George Klein; inks: George Klein | Defender [Don Stevens]; Rusty; Herr Leader [P.J. Evans] |
| 22 | When U.S.A. Heroes Meet! | text story | 2 | script: Stan Lee | Rockman; Whizzer [Bob Frank]; Major Liberty [John Liberty]; Jack Frost; Defender [Don Stevens]; Rusty; Vagabond [Pat Murphy]; Captain Terror [Dan Kane] |
| 23 | The Killers of the Sea | comic story | 7 | script: Basil Wolverton; pencils: Basil Wolverton; inks: Basil Wolverton | Rockman; Zombo |
| 24 | A Marvel Line-Up! | promo (ad from the publisher) | 1 | | Sub-Mariner [Namor]; Human Torch [Jim Hammond]; Toro; Patriot [Jeff Mace]; Ka-Zar; Terry Vance; Vision [Aarkus]; Angel [Tom Halloway] |
| 25 | The Mechanical Octopus Pirates | comic story | 8 | | Jack Frost |
| 26 | Murder at the Race Track | comic story | 7 | | Whizzer [Bob Frank]; Earl Sikes; Silky Kirby; Spike |
| 27 | All Winners Makes History | promo (ad from the publisher) | 1 | | Captain America [Steve Rogers]; Bucky Barnes; Human Torch [Jim Hammond]; Sub-Mariner [Namor]; Destroyer [Keen Marlowe]; Whizzer [Bob Frank] |
| 28 | The Young Allies Comics | promo (ad from the publisher) | 1 | script: Stan Lee; pencils: Bill King; inks: Bill King | Young Allies [Toro; Bucky Barnes; Percy Bartwell; Whitewash Jones; Washington Vanderbilt Jefferson; Tubby Tinkle]; Red Skull |
| 29 | [USA Comics #3] Who Dares To Defy Captain Terror | cover reprint (on interior page) | 1 | | Captain Terror [Dan Kane] |
| 30 | Yahoo! | promo (ad from the publisher) | 1 | script: Stan Lee; pencils: Bill King; inks: Bill King | Young Allies [Bucky Barnes; Toro; Percy Bartwell; Whitewash Jones; Washington Vanderbilt Jefferson; Tubby Tinkle] |
| 31 | The Magic Crystal of Death! | comic story | 17 | pencils: Mike Suchorsky; inks: Mike Suchorsky | Captain Terror [Dan Kane]; Admiral Leeds; General Garvey; Norma Garvey; John Wolf; Black Carlo; Hans Schiller; Maria |
| 32 | The Headless Horseman | comic story | 7 | script: Phil Sturm; pencils: Syd Shores; inks: Syd Shores | Major Liberty [John Liberty]; Hendrick Vermeer; Gretchen; Headless Horseman [Peter] |
| 33 | Orrible Oress's Horrible Plan | comic story | 8 | script: Ed Winiarski; pencils: Ed Winiarski; inks: Ed Winiarski | Vagabond [Pat Murphy]; Grogan; Kelly; Orrible Oress |
| 34 | The Monster Who Couldn't Be Stopped!! | comic story | 7 | pencils: George Klein; inks: George Klein | Defender [Don Stevens]; Rusty; Mango [Oldow] |
| 35 | Quicker Than the Eye! | text story | 2 | script: Stan Lee | Paul North; Peter Wayne; Lew Jorden |
| 36 | The Deadly Pixies | comic story | 7 | script: Stan Lee; pencils: Charles Nicholas; inks: Charles Nicholas | Rockman; Princess Alecia; Pixie King |
| 37 | The Biggest Event of the Century! | promo (ad from the publisher) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Human Torch [Jim Hammond]; Sub-Mariner [Namor] |
| 38 | The Ambulance Racketeers | comic story | 7 | pencils: Frank Giacoia; inks: Carmine Infantino, George Klein | Jack Frost; Norton; Mike Dolan |
| 39 | Unsolved Mysteries | comic story | 1 | | Captain Kidd |
| 40 | - | promo (ad from the publisher) | 1 | pencils: Jack Kirby; inks: Joe Simon | Captain America [Steve Rogers]; Bucky Barnes |
| 41 | Muscles Moe's Million-Dollar Robbery | comic story | 6 | script: Ed Winiarski; pencils: Ed Winiarski; inks: Ed Winiarski | Tom Powers; Kenny Roberts; Cupid Cueball; Clancey Mullaney; P. J. Organ; Muscles Moe |
| 42 | - | promo (ad from the publisher) | 1 | | Destroyer [Keen Marlowe]; Thunderer [Jerry Carstairs] |
| 43 | USA Comics #4 | cover reprint (on interior page) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Major Liberty [John Liberty] |
| 44 | Remember Pearl Harbor! | public service announcement | 1 | letters: typeset | |
| 45 | The Eerie Mansion On the Hill | comic story | 7 | script: Phil Sturm; pencils: Syd Shores; inks: Syd Shores | Major Liberty [John Liberty]; Hans Stiller; Herman Blake; Heinrich Tode; Fritz; Doctor Drew |
| 46 | The Adventure of the Frozen Corpses | comic story | 8 | pencils: Pierce Rice; inks: Louis Cazeneuve | Jack Frost; Bob Davis; Betty; Harlow; Jimmy Crain; Dennis |
| 47 | We'll Win! | promo (ad from the publisher) | 1 | script: Stan Lee; pencils: Bill King; inks: Bill King | Captain America [Steve Rogers] |
| 48 | The Fog | comic story | 7 | pencils: George Klein; inks: George Klein | Defender [Don Stevens]; Rusty; James Snyder; Fog [Doctor Rhinestone] |
| 49 | The Mad Monk | comic story | 8 | script: Ed Winiarski; pencils: Ed Winiarski; inks: Ed Winiarski | Vagabond [Pat Murphy]; Kelly; Grogan; Penelope Parsons; Jake Paskuniak; Ambrose; Mad Monk [Rudolf Parsons] |
| 50 | Diamond of Juba | text story | 2 | letters: typeset | George Andrews; Professor Coleman; Tom Andrews; Jane Coleman; Dapper Devito |
| 51 | The Torpedoes of Doctor Leech | comic story | 8 | pencils: Mike Suchorsky; inks: Mike Suchorsky | Captain Terror [Dan Kane]; Admiral Leeds; Doctor Gustave Leech; Dolores Madrigo |
| 52 | La Barbe the Killer | comic story | 7 | | Rockman; Zeb Sanders; Billy Sanders; La Barbe |
| 53 | Marvel at the World's Greatest Heroes in the Most Exciting Adventures You've Read! | promo (ad from the publisher) | 1 | | Human Torch [Jim Hammond]; Sub-Mariner [Namor]; Angel [Tom Halloway]; Vision [Aarkus]; Jimmy Jupiter; Terry Vance; Patriot [Jeff Mace] |
| 54 | Dix's Homecoming | comic story | 6 | | Jeff Dix; Mrs. Dix; introduction); Joe Dix; Ed Delaney |
| 55 | The Secret Carburetor | comic story | 9 | pencils: Howard James; inks: Howard James | Whizzer [Bob Frank]; Jere Kenney; Briscoe |
| 56 | "If you like Captain Amereica you won't miss Captain America's companion comic book--" | promo (ad from the publisher) | 1 | | |
| 57 | Coming Soon!! | promo (ad from the publisher) | 1 | | |