| 0 | - | cover | 0 | pencils: Alex Schomburg; inks: Alex Schomburg | Namor, Sub-Mariner |
| 1 | - | illustration | 1 | pencils: Carl Burgos; inks: Carl Burgos | Human Torch [Jim Hammond]; Toro [Thomas Raymond] |
| 2 | Credits / Contents | table of contents | 2 | letters: typeset | |
| 3 | Introduction | foreword, introduction, preface, afterword | 5 | script: Roy Thomas | |
| 4 | Marvel Mystery Comics #17 | cover reprint (on interior page) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Sub-Mariner [Namor]; Human Torch [Jim Hammond] |
| 5 | - | promo (ad from the publisher) | 1 | | Captain America [Steve Rogers]; Bucky [Bucky Barnes]; Tuk; Red Skull |
| 6 | Fighting Side-by-Side! | comic story | 26 | script: Carl Burgos, Bill Everett; pencils: Carl Burgos, Bill Everett; inks: Carl Burgos, Bill Everett | Human Torch [Jim Hammond]; Sub-Mariner [Namor] |
| 7 | What's Your Story? | promo (ad from the publisher) | 1 | pencils: Carl Burgos, Bill Everett; inks: Carl Burgos, Bill Everett | Human Torch [Jim Hammond]; Sub-Mariner [Namor] |
| 8 | Mor the Mighty | comic story | 6 | pencils: Steve Dahlman; inks: Steve Dahlman | Electro; Professor Philo Zog; Mor; Zabu |
| 9 | Thin Ice | text story | 2 | script: Ray Gill | Terry Vance; Dr. Watson; Deadline Dawson |
| 10 | War Against a Werewolf | comic story | 9 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | The Angel [Thomas Halloway]; Bob Harrison; Dr. Roberts; Jean Roberts; Dr. Lin; Singa |
| 11 | Burk and the Bomber | comic story | 7 | script: Ray Gill; pencils: Bob Oksner | Terry Vance; Dr. Watson; Deadline Dawson; Burk; Claude Kane; Killer D'Arcy |
| 12 | Hoodlums, Inc. | comic story | 7 | script: Joe Simon, Jack Kirby; pencils: Jack Kirby | Vision [Aarkus]; Hank Steel; Vince Garone |
| 13 | The Legacy of John Rand | comic story | 6 | pencils: Ben Thompson; inks: Ben Thompson | Ka-Zar [David Rand]; Ali; Winston; Alec Wright |
| 14 | Human Torch Pin-Up | illustration | 1 | pencils: Carl Burgos; inks: Carl Burgos | Human Torch [Jim Hammond] |
| 15 | Marvel Mystery Comics #18 | cover reprint (on interior page) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Human Torch [Jim Hammond]; Toro |
| 16 | The Man Who Framed the Torch | comic story | 15 | script: Carl Burgos; pencils: Carl Burgos; inks: Carl Burgos | Human Torch [Jim Hammond]; Toro [Thomas Raymond]; Police Chief Ryan; Brain; Shorty; Buddy; Cliff; Tom |
| 17 | - | promo (ad from the publisher) | 1 | | Captain America [Steve Rogers]; Bucky [Bucky Barnes] |
| 18 | The Legion of Loyalists | comic story | 12 | script: Bill Everett; pencils: Bill Everett; inks: Bill Everett; letters: Bill Everett | Sub-Mariner [Namor]; Betty Dean; Luther Robinson; Lynne Harris; Tha-Korr; Princess Fen; Adra; Sina; Lobro; Regan; Bob James |
| 19 | - | promo (ad from the publisher) | 1 | pencils: Bill Everett; inks: Bill Everett | Sub-Mariner [Namor]; Angel [Thomas Halloway] |
| 20 | Young Ka-Zar | text story | 1.5 | script: Ray Gill; pencils: Ben Thompson; inks: Ben Thompson | Ka-Zar [David Rand]; Zar; Sha; Paul De Kraft |
| 21 | A Challenge to You | promo (ad from the publisher) | 0.5 | | Challenger [Bill Waring] |
| 22 | Beasts of the Black River | comic story | 5 | pencils: Ben Thompson; inks: Ben Thompson | Ka-Zar [David Rand]; Bogat |
| 23 | The Stolen Bicycles | comic story | 7 | script: Ray Gill; pencils: Bob Oksner | Terry Vance; Dr. Watson; Deadline Dawson; Jane; Principal Dikes; Ike |
| 24 | Menace from the Planet Torsa | comic story | 6 | script: Steve Dahlman; pencils: Steve Dahlman; inks: Steve Dahlman | Electro; Professor Philo Zog; Dr. Horace Forde |
| 25 | The Boss of Newton City | comic story | 6 | script: Joe Simon, Jack Kirby; pencils: Jack Kirby; inks: Joe Simon | Vision [Aarkus]; Tom Douglas; Tim Skelly; Heinie Myers |
| 26 | The Cat's Paw, Chapter 1: Claws of Death | comic story | 9 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | The Angel [Thomas Halloway]; Dr. Lin; Cat's Paw (villain); Cartier (villain); Hanson (villain); Frank (villain) |
| 27 | Marvel Mystery Comics #19 | cover reprint (on interior page) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Human Torch [Jim Hammond]; Toro [Thomas Raymond] |
| 28 | Now! The Most Sensational Comic Book Ever Published! | promo (ad from the publisher) | 1 | | Captain America [Steve Rogers]; Bucky [Bucky Barnes]; Red Skull [Johann Schmidt]; Hunchback [Goris Barloff] |
| 29 | The Hag | comic story | 15 | script: Carl Burgos; pencils: Carl Burgos; inks: Carl Burgos | Human Torch [Jim Hammond]; Toro [Thomas Raymond]; Ryan; Hag |
| 30 | - | promo (ad from the publisher) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Sub-Mariner [Namor]; Angel [Thomas Halloway] |
| 31 | The Trojan Albatrosses | comic story | 12 | script: Bill Everett; pencils: Bill Everett; inks: Bill Everett; letters: Bill Everett | Sub-Mariner [Namor]; Luther Robinson; Lynne Harris; Betty Dean; Tha-Korr; Bob James; Josef |
| 32 | Watch for the Big New 2nd Issue of Captain America Comics. | promo (ad from the publisher) | 1 | pencils: Joe Simon, Jack Kirby; inks: Joe Simon, Jack Kirby | Captain America [Steve Rogers]; Bucky [Bucky Barnes]; Adolf Hitler |
| 33 | Toro Tells All | text story | 2 | script: Ray Gill | Toro [Thomas Raymond]; Pops |
| 34 | War Against the Limbos | comic story | 5 | pencils: Ben Thompson; inks: Ben Thompson | Ka-Zar [David Rand]; Bogat |
| 35 | Mr. Grabbit and the Ghosts | comic story | 7 | script: Ray Gill; pencils: Bob Oksner | Terry Vance; Dr. Watson; Phil; Bob; Mr. Grabbit; Slug |
| 36 | The Hands of Doom | comic story | 6 | pencils: Steve Dahlman; inks: Steve Dahlman | Electro; Professor Philo Zog; Sir John Chadwick; Ellen Chadwick; Basil Drake; Chandi |
| 37 | The Rescue of Professor Bauer | comic story | 6 | script: Jack Kirby, Joe Simon; pencils: Jack Kirby, Joe Simon; inks: Joe Simon | Vision [Aarkus]; Professor Bauer; Shultz |
| 38 | The Cat's Paw, Chapter 2 | comic story | 9 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | The Angel [Thomas Halloway]; J. P. Thomas (death); The Cat's Paw (villain); Pug Malone (villain) |
| 39 | Special Offer to Readers of Marvel Comics | promo (ad from the publisher) | 1 | | Captain America [Steve Rogers]; Human Torch [Jim Hammond] |
| 40 | Rushed Hot off the Press! | promo (ad from the publisher) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Human Torch; Toro |
| 41 | Marvel Mystery Comics #20 | cover reprint (on interior page) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Sub-Mariner [Namor] |
| 42 | They Know What They Want! | promo (ad from the publisher) | 1 | | Toro; Captain America [Steve Rogers]; Human Torch [Jim Hammond]; Sub-Mariner [Namor]; Thunderer [Jerry Carstairs]; Black Marvel [Dan Lyons] |
| 43 | The Hunt for Hawk Rivers | comic story | 15 | script: Carl Burgos; pencils: Carl Burgos; inks: Carl Burgos | Human Torch [Jim Hammond]; Toro [Thomas Raymond]; Willie; Hawk Rivers |
| 44 | I Lead! While Others Try to Imitate Me! | promo (ad from the publisher) | 1 | | Human Torch [Jim Hammond] |
| 45 | To Crush Killer Casey | comic story | 12 | script: Bill Everett; pencils: Bill Everett; inks: Bill Everett; letters: Bill Everett | Sub-Mariner [Namor]; Betty Dean; Danny Dougherty; Mrs. Dougherty; Slim; Little Joe; Killer Casey |
| 46 | Free to the Thousands of Readers of Marvel Comics. | promo (ad from the publisher) | 1 | pencils: Bill Everett; inks: Bill Everett | Sub-Mariner [Namor] |
| 47 | The Vampire Killer of Star City | comic story | 6 | script: Joe Simon, Jack Kirby; pencils: Jack Kirby; inks: Joe Simon | Vision [Aarkus]; Dave Steel; Plant Man |
| 48 | High Tension: The Origin of the "Angel" | text story | 2 | script: Ray Gill | The Angel [Thomas Halloway] (origin); Bob Soler |
| 49 | The Mystery of the Radio Robberies | comic story | 7 | script: Ray Gill; pencils: Bob Oksner | Terry Vance; Dr. Watson; Deadline Dawson; Inspector Crane; Mary |
| 50 | The Cat's Paw, Chapter 3: Tombs of Torture! | comic story | 9 | script: Paul Gustavson; pencils: Paul Gustavson; inks: Paul Gustavson; letters: Paul Gustavson | The Angel [Thomas Halloway]; Cat's Paw (villain) |
| 51 | Now! America's Greatest Heroes | promo (ad from the publisher) | 1 | pencils: Basil Wolverton, Charles Nicholas; inks: Basil Wolverton, Charles Nicholas | Defender [Don Stevens]; Rockman [Daniel Rose] |
| 52 | Action in Ethiopia | comic story | 10 | pencils: Ben Thompson; inks: Ben Thompson | Ka-Zar [David Rand] |
| 53 | Get the Current Issue of Captain America | promo (ad from the publisher) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Captain America [Steve Rogers]; Bucky [Bucky Barnes]; Betty Ross; Red Skull [Johann Schmidt] |
| 54 | Marvel Mystery Comics #20 House Ad from Human Torch #4 | promo (ad from the publisher) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Sub-Mariner [Namor] |
| 55 | Marvel Mystery Comics #19 House Ad from Captain America Comics #3 | promo (ad from the publisher) | 1 | pencils: Alex Schomburg; inks: Alex Schomburg | Human Torch [Jim Hammond]; Toro [Thomas Raymond] |