Character:
Colossus [Piotr Rasputin] (p. 1975) (English)
Relation:
formal
Group:
X-Men (p. 1963) (English)
Years:
1988 - 1989?
Notes:
Rejoins in Uncanny X-Men (Marvel, 1981 series) #225 (January 1988).
Leaves in Uncanny X-Men (Marvel, 1981 series) #251 (November 1989).