- Script
- Stan Lee (credited)
- Pencils
- Jack Kirby (credited)
- Inks
- Vince Colletta (credited)
- Colors
- ?
- Letters
- Artie Simek (credited)
- First Line of Dialogue or Text
- The time is come, beloved!
- Feature Logo
- Genre
- superhero; fantasy-supernatural
- Characters
- Jane Foster (supporting); Heimdall (supporting); Dr. Keith Kincaid; Odin (supporting); Sif; Thor [Doctor Donald Blake] (featured); The Unknown (antagonist); Rock Trolls (antagonist); Nurse Parkwell (first appearance)
- Universe
- Marvel : mainstream
- Synopsis
- Jane fails Odin's test for immortality and is sent back to Earth with no memory of Thor or Asgard. Thor encounters the goddess Sif, Heimdall's sister, after many years.
- Reprints
- in Die Spinne (BSV - Williams, 1974 series) #109, #110
- in Los Vengadores (Editora de Periódicos, S. C. L. "La Prensa", 1965 series) #71 (7 de octubre de 1967)
- in HIP Comics (Classics/Williams, 1966 series) #1934 (1968), #1942 (1968)
- in Hit Comics (BSV - Williams, 1966 series) #34, #42, #50, #58
- in Fantastic! (IPC, 1967 series) #84 (21 September 1968), #85 (28 September 1968)
- in Il Mitico Thor (Editoriale Corno, 1971 series) #35 (1 Agosto 1972)
- in Marvel Spectacular (Marvel, 1973 series) #7 (May 1974) [minus page 4]
- in Spider-Man Comics Weekly (Marvel UK, 1973 series) #76 (27 July 1974), #77 (3 August 1974) [Pages 9-16 plus new splash, o.t. "To Become An Immortal!"]
- in Thor (Arédit-Artima, 1977 series) #7 (juin 1978) [N&B et recadré [B&W and reframed]]
- in O Poderoso Thor (Distri Editora, 1983 series) #1 (Fevereiro 1983)
- in Thor (Marvel, 1998 series) #32 (February 2001) [-1 page]
- in Marvel Visionaries: Jack Kirby (Marvel, 2004 series) #1 ([October] 2004)
- in Essential Thor (Marvel, 2001 series) #2 ([July] 2005) [black & white]
- in Marvel Masterworks: The Mighty Thor (Marvel, 2003 series) #5 [Regular Edition] ([November] 2006)
- in The Mighty Thor Omnibus (Marvel, 2010 series) #2 (2013)
- in Marvel Gold. El Poderoso Thor: En Mis Manos, Este Martillo (Panini España, 2013 series) (Septiembre 2013)
- in Thor Epic Collection (Marvel, 2013 series) #3 - The Wrath of Odin (2017)
- in Doctor Strange: Lords of Fear (Marvel, 2017 series) (2017)
- in Marvel Visionaries: Jack Kirby (Marvel, 2019 series) (2019)
First appearances of the land of Gundershelm and the Glade of Crystals.
- Script
- ?
- Pencils
- Jack Kirby
- Inks
- Vince Colletta
- Colors
- ?
- Letters
- typeset
Items, The Mighty Marvel Checklist, Let's Meet 26 More M.M.M.S. members!
- Script
- Stan Lee ?
- Pencils
- Jack Kirby (illustrations)
- Inks
- Vince Colletta (illustrations)
- Colors
- ?
- Letters
- typeset
- Reprints
Letters submitted by John Silah, Allan Perun, Richard Cook, and Gary Brown; includes M.M.M.S. membership form.