| 0 | - | cover | 1 | pencils: Jack Kirby; inks: George Roussos | Thor; Zarrko, the Tomorrow Man |
| 1 | Contents | table of contents | 1 | letters: typeset | |
| 2 | Introduction | foreword, introduction, preface, afterword | 2 | script: Stan Lee | |
| 3 | "The Return of Zarrko, the Tomorrow Man!" | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: George Roussos; editing: Stan Lee | Thor; Zarrko, the Tomorrow Man |
| 4 | "The Return of Zarrko, the Tomorrow Man!" | comic story | 13 | script: Stan Lee; pencils: Jack Kirby; inks: G. Bell; colors: Tom Smith; letters: S. Rosen; editing: Stan Lee | Thor [Donald Blake]; Tomorrow Man [Arthur Zarrko]; Odin; Loki; Heimdall; Avengers [Giant-Man [Hank Pym] (cameo); Wasp [Janet Van Dyne] (cameo); Iron Man [Tony Stark] (cameo)]; Haag (cameo, introduction) [called "Norn Hag" in this story]; Mister Hyde [Calvin Zabo] (flashback); Jane Foster (flashback) |
| 5 | The Invasion of Asgard! [The Boyhood of Thor! Part 2] | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: G. Bell; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Thor; Loki; Haag [called only "Norn Hag" in this story]; Hati; Heimdall; Geirrodur (introduction); Odin; Skoll (introduction); Ulfrin the Drago |
| 6 | Slave of "The Tomorrow Man!" | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: George Roussos; letters: Artie Simek; editing: Stan Lee | Thor; Tomorrow Man [Arthur Zarrko] |
| 7 | "Slave of Zarrko, the Tomorrow Man!" | comic story | 13 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Tom Smith; letters: Art Simek; editing: Stan Lee | Thor; Tomorrow Man [Arthur Zarrko]; Loki; Odin |
| 8 | "Death" Comes to Thor! | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Paul Reinman; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Thor; Hela (introduction); Balder; Norns [Skuld (introduction); Urd (introduction); Verdandi (introduction)]; Sif (introduction); King Rugga |
| 9 | The Enchantress and the Executioner! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: George Roussos; letters: Sam Rosen; editing: Stan Lee | Thor; Enchantress [Amora]; Executioner [Skurge] |
| 10 | "The Enchantress and the Executioner!" | comic story | 13 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Tom Smith; letters: S. Rosen; editing: Stan Lee | Thor; Jane Foster; Odin; Don Blake; Enchantress (introduction, villain); Executioner (introduction, villain); Loki (villain); Zarrko, the Tomorrow Man (cameo flashback) |
| 11 | "Thor's Mission to Mirmir!" | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Thor; Sindri (introduction); Skord; Gullin (introduction); King Mirmir; Aske; Embla |
| 12 | "Giants Walk the Earth!" | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Chic Stone; editing: Stan Lee | Thor; Surtur; Skagg |
| 13 | "Giants Walk the Earth!" | comic story | 13 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Tom Smith; letters: S. Rosen; editing: Stan Lee | Thor [Donald Blake]; Skagg; Surtur; Balder; Heimdall; Jane Foster; Loki; Odin; Enchantress [Amora] (cameo); Executioner [Skurge] (cameo) |
| 14 | Heimdall Guardian of the Mystic Rainbow Bridge! | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Don Heck; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Heimdall (origin); Odin; Agnar the Fierce (introduction); Gotron, the Agile (introduction); Brimer (introduction); Trolls; Storm Giants |
| 15 | "The Cobra and Mr. Hyde!" | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Chic Stone; letters: Artie Simek; editing: Stan Lee | Thor; Mr. Hyde [Calvin Zabo]; The Cobra [Klaus Vorhees] |
| 16 | "The Cobra and Mr. Hyde!" | comic story | 18 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Tom Smith; letters: Art Simek; editing: Stan Lee | Thor; Avengers [Thor; Iron Man [Tony Stark]; Captain America [Steve Rogers]; Giant-Man [Henry Pym]; Wasp]; Calvin Zabo; Cobra; Mr. Hyde [Calvin Zabo]; Don Blake; Jane Foster |
| 17 | "When Heimdall Failed!" | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Geo. Bell; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Heimdall; King Brimer; Queen Nedra (introduction); Odin; Vanna |
| 18 | The Thunder God Strikes Back! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Chic Stone; letters: Sam Rosen; editing: Stan Lee | Thor; Mr. Hyde [Calvin Zabo]; The Cobra [Klaus Vorhees] |
| 19 | "The Thunder God Strikes Back!" | comic story | 18 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Tom Smith; letters: Art Simek; editing: Stan Lee | Thor; Mr. Hyde [Calvin Zabo]; The Cobra; Don Blake; Calvin Zabo; Jane Foster |
| 20 | Balder "The Brave" | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Vince Colletta; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Balder (origin); Odin; Thor; Tyr (introduction); Honir (introduction) |
| 21 | "The Grey Gargoyle!" | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; letters: Sam Rosen; editing: Stan Lee | Thor; Grey Gargoyle [Paul Duval] |
| 22 | "When the Grey Gargoyle Strikes!" | comic story | 18 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Tom Smith; letters: Art Simek; editing: Stan Lee | Thor [Donald Blake]; Grey Gargoyle [Paul Duval] (introduction, origin); Jane Foster |
| 23 | "Balder Must Die!" | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Vince Colletta; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Balder; Loki; Karnilla (introduction, un-named in this story); Haag (un-named in this story) |
| 24 | See Thor Battle Loki, Prince of Evil, for the Life of Lovely Jane Foster. | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Sol Brodsky; letters: Artie Simek; editing: Stan Lee | Thor; Loki; Jane Foster; Doctor Strange |
| 25 | "At the Mercy of Loki, Prince of Evil!" | comic story | 18 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Tom Smith; letters: Art Simek; editing: Stan Lee | Thor [Donald Blake]; Loki; Doctor Strange [Stephen Strange]; Odin; Jane Foster; Heimdall; Avengers [Iron Man; Giant-Man; Wasp] (cameo) |
| 26 | "Trapped by the Trolls!" | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Vince Colletta; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Thor; King Sindri of the Dwarfs; Dwarfs; Trolls |
| 27 | Magneto, Most Powerful of the Evil Mutants! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Chic Stone; letters: Artie Simek; editing: Stan Lee | Thor; Magneto; Brotherhood of Evil Mutants [Mastermind; Scarlet Witch; Quicksilver; Toad] |
| 28 | "When Magneto Strikes!" | comic story | 18 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Tom Smith; letters: S. Rosen; editing: Stan Lee | Thor; Magneto; Brotherhood of Evil Mutants [Quicksilver; Scarlet Witch; Mastermind; Toad]; Don Blake; Jane Foster; X-Men (mostly unseen) |
| 29 | "Banished From Asgard!" | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Vince Colletta; colors: Evelyn Stein, Glynis Oliver; letters: Sam Rosen; editing: Stan Lee | Thor; Odin; Arkin the Weak (villain; introduction); Queen Knorda (villain; introduction) |
| 30 | "Every Hand Against Him!" | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Chic Stone; letters: Artie Simek; editing: Stan Lee | Thor; Mr. Hyde; Cobra; Jane Foster |
| 31 | "Every Hand Against Him!" | comic story | 16 | script: Stan Lee; pencils: Jack Kirby; inks: Chic Stone; colors: Tom Smith; letters: Art Simek; editing: Stan Lee | Thor [Don Blake]; Odin; Heimdall; Jane Foster; Loki; Cobra [Klaus Vorhees]; Mister Hyde [Calvin Zabo] |
| 32 | The Defeat of Odin! | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Vince Colletta; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Thor; Odin; Prince Rivvak (introduction) |
| 33 | Surtur the Fire Demon! | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: George Roussos; colors: Evelyn Stein, Glynis Oliver; letters: Artie Simek; editing: Stan Lee | Odin; Surtur; trolls |
| 34 | "The Storm Giants" | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: P. Reinman; colors: Evelyn Stein, Glynis Oliver; letters: Art Simek; editing: Stan Lee | Thor; Loki; Odin; Agnar, King of the Eagles; Storm Giants |