- Script
- Stan Lee (credited as Stan (the Man) Lee); Jack Kirby (co-plot)
- Pencils
- Jack Kirby (credited as Jack (King) Kirby)
- Inks
- Joe Sinnott (credited)
- Colors
- ?
- Letters
- Artie Simek (credited)
- First Line of Dialogue or Text
- If ya ask me, ol' stretcho lost his marbles--
- Genre
- superhero
- Characters
- Fantastic Four: Human Torch [Johnny Storm]; Invisible Girl [Susan Storm Richards]; Mr. Fantastic [Reed Richards]; The Thing [Ben Grimm]
Crystal [Crystalia Amaquelin Maximoff]; Galactus [Galan]; Silver Surfer [Norrin Radd]; Mr. Fantastic duplicate; Human Torch duplicate; Thing duplicate
- Universe
- Marvel : mainstream
- Synopsis
- Reed, Ben, and Johnny battle their dopplegangers, created by Galactus, who is determined to learn the location of the Silver Surfer.
- Reprints
- in Die Fantastischen Vier (BSV - Williams, 1974 series) #71
- in Hit Comics (BSV - Williams, 1966 series) #77
- in I Fantastici Quattro (Editoriale Corno, 1971 series) #72 (7 Gennaio 1974)
- in Marvel's Greatest Comics (Marvel, 1969 series) #57 (July 1975) [edited; 2 pages removed]
- in Une Aventure des Fantastiques (Editions Lug, 1973 series) #8 - Alors vint Galactus (4ème trimestre 1975)
- in Fantastic Four Pocket Book (Marvel UK, 1980 series) #15 (1981) [black & white]
- in Essential Fantastic Four (Marvel, 1998 series) #4 (2005) [black and white]
- in Fantastic Four : L'intégrale (Panini France, 2003 series) #1968 (juin 2009)
- in Fantastic Four Adventures (Panini UK, 2010 series) #24 (December 2011)
- in Marvel Gold. Los 4 Fantásticos (Panini España, 2011 series) #2 - A Través del Universo (Septiembre 2012)
- in Silver Surfer Epic Collection (Marvel, 2014 series) #1 - When Calls Galactus (2014)
- in Fantastic Four Omnibus (Marvel, 2005 series) #3 (2015)
- in Fantastic Four Epic Collection (Marvel, 2014 series) #5 - The Name Is Doom (2020)
Kirby's co-plot credit is widely acknowledged by Lee and Kirby in numerous interviews. Credit here reads: "Donated to Mighty Marveldom by: Stan (The Man) Lee and Jack (King) Kirby."
- Script
- Roy Thomas ?
- Pencils
- Jack Kirby (illustration)
- Inks
- Joe Sinnott (illustration)
- Colors
- ?
- Letters
- Sam Rosen; typeset
- First Line of Dialogue or Text
- Dear Stan and Jack, It is with a heavy heart that I...
- Feature Logo
- Fantastic Four Fan Page
- Characters
- The Thing [Ben Grimm]; Silver Surfer
Letters from: Bruce Coville, Joe Sykora, Kenneth Rekrut, Anthony Kowalik, Neil Maloney, Ed Martin, and Keith White.