in Titanes Planetarios (Editorial Novaro, 1953 series) #78
in The Hundred Comic Monthly (K. G. Murray, 1956 ? series) #30 ([March 1959])
in Challengers of the Unknown Archives (DC, 2003 series) #2 ([July] 2004)
in Showcase Presents Challengers of the Unknown (DC, 2006 series) #1 ([December] 2006)
in Challengers of the Unknown by Jack Kirby (DC, 2012 series) ([August] 2012)
in Challengers of the Unknown by Jack Kirby (DC, 2017 series) ([January] 2018)Jack and Roz Kirby inks credit per Bob Hughes, confirmed by Greg Theakston. We previously listed Marvin Stein. Per his conversations with Greg Theakston, Stein did not ink any Challengers stories. Nick Caputo questions Roz Kirby's inking credit.
On-sale date from copyright registration.
in Mighty The 100-Page Comic! (K. G. Murray, 1957 series) #9 (Circa January 1959)
in Challengers of the Unknown (DC, 1958 series) #76 (October-November 1970)
in Aventures Fiction (Arédit-Artima, 1966 series) #44 (2ème trimestre 1975) [N&B et recadré/B&W and reframed]
in Super Héros (Arédit-Artima, 1979 series) #8 (1980)
in Challengers of the Unknown Archives (DC, 2003 series) #2 ([July] 2004)
in Showcase Presents Challengers of the Unknown (DC, 2006 series) #1 ([December] 2006)
in Challengers of the Unknown by Jack Kirby (DC, 2012 series) ([August] 2012)
in Challengers of the Unknown by Jack Kirby (DC, 2017 series) ([January] 2018)Possible Stein inks per Mark Evanier and Nick Caputo after studying his concurrent work. In conversations with Greg Theakston, Stein said he did not ink any Challengers stories but it's possible he had forgotten. Previous indexers credited Jack and Roz Kirby on inks. Possible Kirby script revisions per Mark Evanier and Nick Caputo.
On the page immediately preceding page 7 of the previous story sequence.
in The Hundred Comic Monthly (K. G. Murray, 1956 ? series) #30 ([March 1959])
in Super Héros (Arédit-Artima, 1979 series) #7 (1980)
in Challengers of the Unknown Archives (DC, 2003 series) #2 ([July] 2004)
in Showcase Presents Challengers of the Unknown (DC, 2006 series) #1 ([December] 2006)
in Challengers of the Unknown by Jack Kirby (DC, 2012 series) ([August] 2012)
in Challengers of the Unknown by Jack Kirby (DC, 2017 series) ([January] 2018)Possible Stein inks per Mark Evanier and Nick Caputo after studying his concurrent work. In conversations with Greg Theakston, Stein said he did not ink any Challengers stories but it's possible he had forgotten. Previous indexers credited Jack and Roz Kirby on inks. Possible Kirby script revisions per Mark Evanier and Nick Caputo.
Rocky's being shot into space, crashing, and exhibiting super-strength, invisibility and fire powers has similarities to Kirby's later co-creations of Reed Richards, Ben Grimm, Sue Storm, and Johnny Storm in Fantastic Four #1.
| Script: | Henry Boltinoff (signed) |
| Pencils: | Henry Boltinoff (signed) |
| Inks: | Henry Boltinoff (signed) |
| Colors: | ? |
| Letters: | ? |
| Script: | |
| Pencils: | Henry Boltinoff (signed) |
| Inks: | Henry Boltinoff (signed) |
| Colors: | ? |
| Letters: | ? |