This issue is a variant of The Uncanny X-Men (Marvel, 1981 series) #167 [Direct Edition]. There exist further variants.
in Gli Incredibili X-Men (Edizioni Star Comics, 1990 series) #2 (Agosto 1990)
in X-Men Classic (Marvel, 1990 series) #71 (May 1992)
in Marvel Gold. Los Nuevos Mutantes: Tercera Génesis (Panini España, 2012 series) #[nn] (Noviembre 2012) [Detalle de la portada], #[nn] (Noviembre 2012)
in Essential X-Men (Marvel, 1996 series) #4
in Gli Incredibili X-Men (Edizioni Star Comics, 1990 series) #2 (Agosto 1990)
in X-Men Classic (Marvel, 1990 series) #71 (May 1992)
in Marvel Gold. Los Nuevos Mutantes: Tercera Génesis (Panini España, 2012 series) #[nn] (Noviembre 2012) [Detalle de la página 1, viñeta 4], #[nn] (Noviembre 2012)
in Essential X-Men (Marvel, 1996 series) #4