in Il Mitico Thor (Editoriale Corno, 1971 series) #22 (1 Febbraio 1972)
in Los Vengadores (Editora de Periódicos La Prensa S.C.L., 1965 series) #19 (30 de junio de 1966)
in Terrific! (IPC, 1967 series) #17 (5 August 1967)
in Il Mitico Thor (Editoriale Corno, 1971 series) #22 (1 Febbraio 1972)
in Los Vengadores (Novedades, 1981 series) #14 (4 de junio de 1981)
in Marvel Masterworks (Marvel, 1987 series) #9 ([September] 1989)
in The Avengers (Marvel UK, 1973 series) #10
in Los Vengadores (Editora de Periódicos La Prensa S.C.L., 1965 series) #19 (30 de junio de 1966)
in Il Mitico Thor (Editoriale Corno, 1971 series) #22 (1 Febbraio 1972)
in Marvel Triple Action (Marvel, 1972 series) #8 (December 1972)
in Los Vengadores (Novedades, 1981 series) #14 (4 de junio de 1981)
in Marvel Masterworks (Marvel, 1987 series) #9 ([September] 1989)It is revealed in the letters page that Stan Lee wrote six consecutive pages of the story; likely pages 14-20 as he has often mentioned the speech by the Watcher at the end of the story.
Letters from Eric Lesko, Dale Bell, Vincent Topazio, Peter Cadwell, Patrick McGee, Ken Free, Mrs. Millard E. Brown, Larry Orman, and SP4 Herbert W. Swafford and the Guys of the 651st Medical Company.