This issue has variants.
Double-Sized 20th Anniversary issue.
in Gli Incredibili X-Men (Edizioni Star Comics, 1990 series) #6 (Dicembre 1990)
in Backpack Marvels: X-Men (Marvel, 2000 series) #2 (November 2000)
in The Uncanny X-Men: From the Ashes... (Marvel, 1990 series) #[nn] (1990)
in Gli Incredibili X-Men (Edizioni Star Comics, 1990 series) #6 (Dicembre 1990)
in Obras Maestras (Planeta DeAgostini, 1991 series) #2 - La Patrulla-X: Desde las Cenizas (Abril 1991)
in X-Men Classic (Marvel, 1990 series) #79 (January 1993)
in Essential X-Men (Marvel, 1996 series) #4