- Script
- Stan Lee (credited)
- Pencils
- Jack Kirby (credited)
- Inks
- Vince Colletta (credited as V. Colletta)
- Colors
- ?
- Letters
- Artie Simek (credited as Art Simek)
- First Line of Dialogue or Text
- I been waitin’ a lifetime to do this - -!
- Feature Logo
- Genre
- superhero; fantasy-supernatural
- Characters
- Chuda (death) (antagonist) (first appearance); Granny Gardenia; Replicus (antagonist) (first appearance); Slugger Sykes (death) (antagonist) (first appearance); Thor [Doctor Donald Blake] (featured); Blackie
- Universe
- Marvel : mainstream
- Synopsis
- Slugger Sykes joins Chuda to use the cybernetic Replicus for crime. Replicus fights Thor as Sykes turns on Chuda's plans for world domination. Chuda and Sykes die. Replicus is destroyed.
- Reprints
- in Die Spinne (BSV - Williams, 1974 series) #119, #120
- in Los Vengadores (Editora de Periódicos, S. C. L. "La Prensa", 1965 series) #91 (2 de marzo de 1968)
- in Il Mitico Thor (Editoriale Corno, 1971 series) #40 (10 Ottobre 1972)
- in Spider-Man Comics Weekly (Marvel UK, 1973 series) #89 (26 October 1974) [Pages 1-9], #90 (2 November 1974) [Pages 10-16 plus new splash]
- in Marvel Spectacular (Marvel, 1973 series) #12 (December 1974) [minus page twelve]
- in Thor (Arédit-Artima, 1977 series) #8 (juillet 1978) [N&B et recadré [B&W and reframed]]
- in O Poderoso Thor (Distri Editora, 1983 series) #2 (2 Março 1983) [Minus one page than the original.]
- in Essential Thor (Marvel, 2001 series) #3 ([November] 2006) [black & white]
- in Marvel Masterworks: The Mighty Thor (Marvel, 2003 series) #6 ([July] 2007)
- in The Mighty Thor Omnibus (Marvel, 2010 series) #2 (2013)
- in Thor Epic Collection (Marvel, 2013 series) #3 - The Wrath of Odin (2017)
Page 12 is not reprinted in the Marvel Spectacular #12 reprint.
- Script
- Stan Lee; Mark Evanier
- Letters
- typeset
Stan's Soapbox! includes a letter from Mark Evanier; Items; The Wrap-Up; The Mighty Marvel Checklist; house ad for Not Brand Echh series.
- Script
- Stan Lee ?
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- typeset
- Reprints
Letters submitted by Dan Day, Orin King, Jay McCracken, and Charles Blagg; includes M.M.M.S. membership form and Let's Meet 26 More M.M.M.S. Members!