| 0 | - | cover | 1 | pencils: Jack Kirby; inks: Joe Sinnott; colors: Michael Kelleher & Kellustration; letters: Artie Simek | |
| 1 | - | blank page(s) | 3 | | |
| 2 | The Mighty Thor | credits, title page | 3 | letters: typeset | |
| 3 | Contents | table of contents | 2 | pencils: Jack Kirby | |
| 4 | Introduction | foreword, introduction, preface, afterword | 2 | script: Stan Lee | |
| 5 | Introducing... the Mighty Thor! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Joe Sinnott; colors: Stan Goldberg; letters: Artie Simek | Kronans |
| 6 | The Stone Men from Saturn! | comic story | 13 | script: Stan Lee, Larry Lieber; pencils: Jack Kirby; inks: Joe Sinnott; colors: Stan Goldberg; letters: Artie Simek | |
| 7 | The Executioner | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Joe Sinnott; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Comrade Executioner; Jane Foster (called "Jane Nelson" in this issue) |
| 8 | The Mighty Thor vs. The Executioner | comic story | 13 | script: Stan Lee, Larry Lieber; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Jane Foster (introduction, called "Jane Nelson"); Mrs. Jones; Mrs. Jones son (Patient); American Doctors; Comrade Executioner (death, not to be confused with the later Thor villain Executioner); Executioner's Air Force; Executioner's Army; Democratic Fraction Army |
| 9 | Loki, the God of Mischief!! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | |
| 10 | Trapped by Loki, the God of Mischief! | comic story | 13 | script: Stan Lee, Larry Lieber; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Jon D'Agostino | |
| 11 | - | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Zarrko, the Tomorrow Man |
| 12 | On the Trail of the Tomorrow Man! | comic story | 13 | script: Stan Lee, Larry Lieber; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Jon D'Agostino | Thor [Doctor Donald Blake]; Tomorrow Man [Arthur Zarrko] (introduction, origin); Jane Foster; Odin (introduction, cameo) |
| 13 | Prisoner of the Reds! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake] |
| 14 | Prisoner of the Reds! | comic story | 10 | script: Stan Lee, Larry Lieber; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Art Simek | Thor [Doctor Donald Blake]; Jane Foster; Colonel Edward Harrison (introduction); John Blandings (Scientist) (introduction); Mrs. Silvia Blandings; Scientists; Photographer (Russian Spy); Russian Soldiers |
| 15 | The Terrible Vengeance of Loki! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Steve Ditko; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Loki; Odin |
| 16 | The Vengeance of Loki! | comic story | 13 | script: Stan Lee, L. D. Lieber; pencils: Jack Kirby, Steve Ditko; inks: Dick Ayers, Steve Ditko; colors: Stan Goldberg; letters: Art Simek | Thor [Doctor Donald Blake]; Loki; Jane Foster; Odin (cameo); Heimdall (cameo) |
| 17 | Starring the Mighty...Thor! The Most Colorful Super Hero of All!!! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake] |
| 18 | The Thunder God and the Thug! | comic story | 13 | script: Stan Lee, L. D. Lieber; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Ray Holloway | Thor [Doctor Donald Blake]; Jane Foster; Thug Thatcher (Mob Leader, introduction); Vince (introduction); Max (introduction); Ruby (introduction); Thatcher Mob (introduction); Odin (cameo) |
| 19 | The Carbon Copy Man! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; The Carbon-Copy Man [Zano] |
| 20 | Trapped by the Carbon-Copy Man! | comic story | 13 | script: Stan Lee, Larry Lieber; pencils: Al Hartley; inks: Al Hartley; letters: Terry Szenics | Thor [Donald Blake]; Jane Foster; Odin (cameo); Mayor Harris (introduction); police commissioner; police officers; War Lord Ugarth [Old Ugarth] (introduction); The Carbon-Copy Man [Warlord's Son Zano] (introduction); The Carbon-Copy Men |
| 21 | Sandu, Master of the Supernatural | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Loki; Sandu |
| 22 | Sandu, Master of the Supernatural! | comic story | 13 | script: Stan Lee, Larry Lieber; pencils: Joe Sinnott; inks: Joe Sinnott; colors: Stan Goldberg; letters: Terry Szenics | Thor [Donald Blake]; Jane Foster; Odin; Valkyries (introduction); Loki; Sandu (introduction) |
| 23 | - | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Dick Ayers, Jack Kirby; colors: Stan Goldberg; letters: Artie Simek | |
| 24 | The Day Loki Stole Thor's Magic Hammer | comic story | 13 | script: Stan Lee, R. Berns; pencils: Joe Sinnott; inks: Joe Sinnott; colors: Stan Goldberg; letters: Martin Epp | Mr. Jones; Neri (Handmaiden, introduction, cameo) |
| 25 | Radio-Active-Man! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; The Radio-Active Man [Chen Lu] |
| 26 | The Mysterious Radio-Active Man! | comic story | 13 | script: Stan Lee, R. Berns; pencils: Jack Kirby; inks: Dick Ayers; letters: R. Holloway | Thor [Doctor Donald Blake]; the Radio-Active Man [Chen Lu] (introduction, origin); Jane Foster; General Fu (introduction); Chairman Mao Zedong (cameo) |
| 27 | See Mighty Thor and Evil Loki Unite, to Battle the Human Race | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Loki |
| 28 | Thor and Loki Attack the Human Race! | comic story | 13 | script: Stan Lee, R. Berns; pencils: Joe Sinnott; inks: Joe Sinnott; letters: S. Rosen | Thor [Doctor Donald Blake]; Loki; Heimdall; Odin |
| 29 | - | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Dick Ayers; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Duplicate Thor |
| 30 | The Demon Duplicators! | comic story | 13 | script: Stan Lee, R. Berns; pencils: Joe Sinnott; inks: Joe Sinnott; colors: Stan Goldberg; letters: S. Rosen | Thor [Doctor Donald Blake]; Duplicate Thor; Odin; Professor Zaxton (introduction, death); Jane Foster; Duplicate Professor Zaxton |
| 31 | Merlin the Mad! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Sol Brodsky; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Merlin [Maha Yogi] |
| 32 | Defying the Magic of... Mad Merlin! | comic story | 13 | script: Stan Lee, R. Berns; pencils: Joe Sinnott; inks: Joe Sinnott; colors: Stan Goldberg; letters: Art Simek | Thor [Doctor Donald Blake]; Merlin [Maha Yogi] (introduction); Jane Foster; Loki (cameo); President John F. Kennedy (cameo); Caroline Kennedy (cameo); Pierre Salinger (cameo); King Arthur (cameo, flashback) |
| 33 | Lava Man! / Tales of Asgard | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: George Roussos; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; the Lava Man; Odin |
| 34 | The Lava Man | comic story | 13 | script: Stan Lee; pencils: Jack Kirby; inks: Don Heck; colors: Stan Goldberg; letters: Art Simek | Thor [Doctor Donald Blake]; the Lava Man (introduction); Jane Foster; Odin; Loki; Doctor Bruce Andrews (introduction) |
| 35 | Tales of... ...Asgard! Home of the Mighty Norse Gods | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: G. Bell; colors: Stan Goldberg; letters: Art Simek | Odin (origin); Surtur (introduction); Ymir (introduction, origin); Buri (introduction, origin, cameo); Borr (introduction, origin, cameo); Audhumbla (called "Magic Cow"); Vili (unnamed, origin, cameo); Vé (unnamed, origin, cameo); Bestla (unnamed, cameo) |
| 36 | The Human Cobra! / Odin Battles the Ice Giants ! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: Sol Brodsky; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Cobra [Klaus Vorhees]; Jane Foster |
| 37 | Challenged by the Human Cobra! | comic story | 13 | script: Stan Lee; pencils: Don Heck; inks: Don Heck; letters: Art Simek | Thor [Doctor Donald Blake]; Cobra [Klaus Vorhees] (introduction, origin); Jane Foster; Doctor Bruce Andrews; Odin; Professor Shecktor (introduction, death) |
| 38 | Odin Battles Ymir, King of the Ice Giants | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: Don Heck; letters: Art Simek | Odin; Ymir; Ice Giants (introduction) |
| 39 | The Mysterious Mister Hyde! | cover reprint (on interior page) | 1 | script: Stan Lee; pencils: Jack Kirby; inks: George Roussos; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Jane Foster; Mister Hyde [Calvin Zabo] |
| 40 | The Mysterious Mister Hyde! | comic story | 13 | script: Stan Lee; pencils: Don Heck; inks: Don Heck; colors: Stan Goldberg; letters: Art Simek | Thor [Doctor Donald Blake]; Mister Hyde [Calvin Zabo] (introduction, origin); Jane Foster; Odin |
| 41 | Surtur the Fire Demon! | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: George Roussos; colors: Stan Goldberg; letters: Artie Simek | Odin; Surtur; Trolls |
| 42 | Thor's Showdown with Mr. Hyde! | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Sol Brodsky; colors: Stan Goldberg; letters: Artie Simek | Thor [Doctor Donald Blake]; Mister Hyde [Calvin Zabo]; Jane Foster |
| 43 | The Master Plan of Mr. Hyde! | comic story | 13 | script: Stan Lee; pencils: Don Heck; inks: Don Heck; letters: S. Rosen | Thor [Doctor Donald Blake]; Mister Hyde [Calvin Zabo]; Jane Foster; Odin |
| 44 | The Storm Giants [The Boyhood of Thor!] | comic story | 5 | script: Stan Lee; pencils: Jack Kirby; inks: P. Reinman; letters: Art Simek | Thor; Loki; Odin; Agnar, King of the Eagles; Storm Giants |
| 45 | Marvel Masterworks: Mighty Thor Volume 1 TPB Cover Art | cover reprint (on interior page) | 1 | pencils: Jack Kirby; inks: Jack Kirby; colors: Dean White | |
| 46 | Biographies | foreword, introduction, preface, afterword | 2 | script: John Rhett Thomas | |
| 47 | The Marvel Masterwork Library | promo (ad from the publisher) | 1 | letters: typeset | |
| 48 | - | blank page(s) | 3 | | |
| 49 | - | promo (ad from the publisher) | 1 | pencils: ? (illustrations); inks: ? (illustrations); colors: ? (illustrations) | |