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Mastermind

2 appearances · Bronze Age · 1981 · 1 key issues

Top series

De X-Mannen
De X-Mannen (1983)
1 appearance
Marvel Superhelden
Marvel Superhelden (1981)
1 appearance

Key issues

#4★
The X-Men #4 1st appearance

Appearances

Marvel Superhelden (1981)
#3
De X-Mannen (1983)
#212