| 0 | - | cover | 1 | pencils: Leonardo Romero; inks: Leonardo Romero; colors: Leonardo Romero | Namor |
| 1 | - | credits, title page | 3 | pencils: Gene Colan; inks: Vince Colletta | |
| 2 | - | illustration | 1 | pencils: Gene Colan; inks: Vince Colletta | Lady Dorma; Sub-Mariner [Namor] |
| 3 | - | table of contents | 1 | letters: typeset | |
| 4 | Daredevil Battles Sub-Mariner! | cover reprint (on interior page) | 1 | pencils: Wally Wood; inks: Wally Wood; colors: Stan Goldberg; letters: Artie Simek | Daredevil; Sub-Mariner [Namor] |
| 5 | In Mortal Combat with... Sub-Mariner! | comic story | 20 | script: Stan Lee; pencils: Wally Wood; inks: Wally Wood; letters: Artie Simek | Daredevil [Matt Murdock]; Sub-Mariner [Namor]; Lady Dorma; Foggy Nelson; Karen Page; Warlord Krang (villain) |
| 6 | - | illustration | 1 | pencils: Wally Wood; inks: Wally Wood | Daredevil [Matt Murdock]; Sub-Mariner [Namor] |
| 7 | - | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Mike Esposito; colors: Stan Goldberg; letters: Artie Simek | Sub-Mariner [Namor]; Lady Dorma; Hulk [Bruce Banner] |
| 8 | The Start of the Quest! | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Vince Colletta; letters: Artie Simek | Sub-Mariner [Namor]; Lady Dorma; King Neptune (flashback); Warlord Krang (villain) |
| 9 | Escape to Nowhere! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Gene Colan; inks: Vince Colletta; colors: Stan Goldberg; letters: Artie Simek | Sub-Mariner [Namor]; Seaweed Man |
| 10 | Escape... to Nowhere! | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Vince Colletta; letters: Artie Simek | Sub-Mariner [Namor]; Lady Dorma; Vashti the Elder; King Neptune (cameo); Warlord Krang (villain); Seaweed Man (villain) |
| 11 | A Prince There Was! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Gene Colan, Jack Kirby; inks: Vince Colletta; colors: Stan Goldberg; letters: Sam Rosen | Sub-Mariner [Namor]; Warlord Krang; Hulk [Bruce Banner] |
| 12 | A Prince There Was! | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Vince Colletta; letters: S. Rosen | Sub-Mariner [Namor]; Lady Dorma; Warlord Krang (villain), Seaweed Man (villain); Zantor (villain); Faceless Ones (cameos) |
| 13 | Another World, Another Foe!; By Force of Arms! | cover reprint (on interior page) | 1 | pencils: Gene Colan, Jack Kirby; inks: Vince Colletta, Mike Esposito; colors: Stan Goldberg; letters: Sam Rosen | Hulk [Bruce Banner]; The Watcher [Uatu]; Demon of the Diamonds; Sub-Mariner [Namor] |
| 14 | By Force of Arms! | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Vince Colletta; letters: Artie Simek | Sub-Mariner [Namor]; Lady Dorma; Warlord Krang (villain); Demon of the Diamonds (villain); Faceless Ones (cameos) |
| 15 | When Fails the Quest! | cover reprint (on interior page) | 1 | pencils: Gene Colan, Bob Powell; inks: Vince Colletta, Mike Esposito; colors: Stan Goldberg; letters: Sam Rosen | Sub-Mariner [Namor]; Warlord Krang; Lady Dorma; Hulk [Bruce Banner] (inset); The Watcher [Uatu] (inset) |
| 16 | When Fails the Quest! | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Vince Colletta; letters: Sam Rosen | Sub-Mariner [Namor]; Lady Dorma; Vashti the Elder; Warlord Krang; Faceless Ones |
| 17 | Not All My Power Can Save Me! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby, Gene Colan; inks: Sol Brodsky, Vince Colletta; colors: Stan Goldberg; letters: Sam Rosen | Hulk [Bruce Banner]; Sub-Mariner [Namor]; Lady Dorma |
| 18 | The End of the Quest! | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Vince Colletta; letters: Sam Rosen | Sub-Mariner [Namor]; Lady Dorma; Warlord Krang; Faceless Ones; Neptune; Vasthi the Elder |
| 19 | Uneasy Hangs the Head..! | cover reprint (on interior page) | 1 | pencils: Gene Colan; inks: Vince Colletta; letters: Sam Rosen | Sub-Mariner [Namor]; Lady Dorma |
| 20 | Uneasy Hangs the Head..! | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Vince Colletta; letters: Sam Rosen | Sub-Mariner [Namor]; Lady Dorma; Warlord Krang; Lord Vashti, Grand Vizier of Atlantis [Vashti the Elder] |
| 21 | "Bruce Banner Is the Hulk!" | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: John Romita; colors: Stan Goldberg; letters: Sam Rosen | Hulk [Bruce Banner]; Rick Jones |
| 22 | To Walk Amongst Men! | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Vince Colletta; letters: Sam Rosen | Sub-Mariner [Namor]; Lady Dorma; Vashti the Elder]; Henry Pym [Giant Man]; Janet Van Dyne [Wasp] |
| 23 | The Prince and the Puppet! | cover reprint (on interior page) | 1 | pencils: Gene Colan; inks: Vince Colletta; letters: Sam Rosen | Sub-Mariner [Namor]; Puppet Master [Phillip Masters] |
| 24 | The Prince and the Puppet! | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Vince Colletta; letters: Artie Simek | Sub-Mariner [Namor]; Henry Pym [Giant-Man]; Janet Van Dyne [Wasp]; Puppet Master [Phillip Masters] (villain); Fantastic Four [Mr. Fantastic; Human Torch [Johnny Storm]; Invisible Girl; Thing] (cameo, flashback) |
| 25 | The Titan and the Torment! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Bill Everett; colors: Stan Goldberg; letters: Sam Rosen | Hulk [Bruce Banner]; Hercules |
| 26 | When Rises the Behemoth | comic story | 12 | script: Stan Lee; pencils: Adam Austin; inks: Bill Everett; letters: Artie Simek | Sub-Mariner [Namor]; Lady Dorma; Lord Vashti; Puppet Master [Phillip Masters] (villain); Warlord Krang (villain); Behemoth (villain) |
| 27 | To the Death! | cover reprint (on interior page) | 1 | pencils: Gene Colan; inks: Bill Everett; letters: Sam Rosen | Sub-Mariner [Namor]; Lady Dorma; Behemoth |
| 28 | To the Death! | comic story | 12 | script: Stan Lee; pencils: Gene Colan; inks: Dick Ayers; letters: Sam Rosen | Sub-Mariner [Namor]; Lady Dorma; Lord Vashti; Puppet Master [Phillip Masters] (villain); Warlord Krang (villain); Behemoth (villain) |
| 29 | - | illustration | 1 | pencils: Jack Kirby | Nick Fury; Sub-Mariner [Namor] |
| 30 | - | illustration | 5 | script: Stan Lee; pencils: Gene Colan; inks: Vince Colletta, Bill Everett; letters: Sam Rosen, Artie Simek | Sub-Mariner [Namor]; Lady Dorma |
| 31 | - | promo (ad from the publisher) | 3 | | |