Distributed to newstands in September 1963. This issue includes 10 pages of paid advertisements.
Distribution date from Joseph Marek's Marvel Comics Group history website.
in Terrific! (IPC, 1967 series) #25 (30 September 1967)
in Essential Ant-Man (Marvel, 2002 series) #1 (February 2002) [black and white]
in Marvel Masterworks: Ant-Man / Giant-Man (Marvel, 2006 series) #1 ([March] 2006)Cover inks credit from Nick Caputo via GCD Errors list, January 2009. Original indexer had credited George Roussos.
in Essential Ant-Man (Marvel, 2002 series) #1 (February 2002) [black and white]
in Marvel Masterworks: Ant-Man / Giant-Man (Marvel, 2006 series) #1 ([March] 2006)Continues in next issue. Inking credit in dispute: Nick Caputo believes the Ditko credit is correct, with possible Heck corrections to the Wasp (January 2009); Bob Bailey disagrees with the printed credit and suggests Heck or Brodsky (March 2005).
from Uncanny Tales (Marvel, 1952 series) #46 (August 1956)Text story with illustration.
in Sinister Tales (Alan Class, 1964 series) #202 ([no date - circa 1978])
in Il Mitico Thor (Editoriale Corno, 1971 series) #63 (11 Settembre 1973) [as "L'arma segreta", Italian translation]
in Marvel Masterworks: Atlas Era Tales to Astonish (Marvel, 2006 series) #4 ([January] 2012)
in Uncanny Tales (Alan Class, 1963 series) #151 (?)
in I Fantastici Quattro (Editoriale Corno, 1971 series) #70 (11 Dicembre 1973) [as "Senza fine!", Italian translation]
in Marvel Masterworks: Atlas Era Tales to Astonish (Marvel, 2006 series) #4 ([January] 2012)