Character:
Beast [Hank McCoy, Earth-616] (p. 1963) (English)
Relation:
formal
Group:
The Avengers [Marvel superteam, Earth-616] (p. 1963) (English)
Years:
1975 - ?
Notes:
Joined as a probationary member in The Avengers (Marvel, 1963 series) #137 (July 1975). Became a full member in The Avengers (Marvel, 1963 series) #151 (September 1976).