| Issue | #12 |
| Published | December 1974 |
| Cover Price | 0.25 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Vignettes and main figure taken from interior story; Giacoia (re-)inking credit from Nick Caputo via GCD Errors list, January 2009. |
| Characters | Thor; Replicus |
| Genre | Superhero |
| Script | Stan Lee |
| Pencils | Jack Kirby |
| Inks | Vince Colletta (vignettes); Frank Giacoia (main figure) |
| Letters | Artie Simek |
| Notes | Vignettes and main figure taken from interior story; Giacoia (re-)inking credit from Nick Caputo via GCD Errors list, January 2009. |
| Reprinted | from Thor (Marvel, 1966 series) #141 (June 1967) |
| Characters | Thor; Slugger Sykes (I)(D); Chuda (I)(D); Replicus (I); Don Blake; Granny Gardenia (I); Blackie |
| Synopsis | Slugger Sykes joins Chuda to use Replicus for crime. Replicus fights Thor as Sykes turns on Chuda's plans for world domination. Chuda and Sykes die. Replicus is destroyed. |
| Genre | Superhero; Fantasy |
| Script | Stan Lee |
| Pencils | Jack Kirby |
| Inks | Vince Colletta |
| Letters | Artie Simek |
| Editing | Stan Lee (Original Editor) |
| Notes | Page 12 of the original story is not reprinted, first appearances of Slugger Sykes, Chuda, Replicus and Granny Gardenia, deaths of Chuda and Slugger Sykes. |
| Reprinted | from Thor (Marvel, 1966 series) #141 (June 1967) |
| Characters | Thor; Loki; Odin; Balder; Heimdall; Warriors Three [Fandral; Hogun; Volstagg]; Volla the Prophetess (I); Midgard Serpent (I) |
| Synopsis | Volla reveals the events of the day of Ragnarok. |
| Genre | Superhero; Fantasy |
| Script | Stan Lee |
| Pencils | Jack Kirby |
| Inks | Vince Colletta |
| Letters | Artie Simek |
| Editing | Stan Lee (Original Editor) |
| Notes | Odinsword Quest Part 10, first appearances of Volla the Prophetess and the Midgard Serpent. |
| Reprinted | from Thor (Marvel, 1966 series) #127 (April 1966) |