Mastermind (Jason Wyngarde)

102 appearances · First published 1964

Mastermind (Jason Wyngarde) appears in 102 issues in grailworth's catalog, and was first published in 1964. First appearance: X-Men #4 (1963), cover dated 1964. Key issues with Mastermind include X-Men #4 (1963) and X-Men #129 (1963).

First appearance

X-Men #4 (1963)First appearance1964

Key issues

Deaths

X-Men #94 (1991)Death

Every appearance we value

Amazing Adventures (1970) 3 issues

Avengers (1963) 4 issues

Avengers: Operation Hydra (2015) 1 issue

Avengers: The Children's Crusade (2010) 1 issue

Captain America (1968) 1 issue

#174

Classic X-Men (1986) 4 issues

Code of Honor (1997) 1 issue

The Defenders (1972) 2 issues

Excalibur (2004) 1 issue

Journey into Mystery (1952) 1 issue

#109

Magneto: Dark Seduction (2000) 1 issue

Marvel Super-Heroes (1967) 1 issue

Silver Surfer (1968) 1 issue

Thunderbolts (1997) 1 issue

The Uncanny X-Men Annual (1992) 1 issue

What If...? (1989) 1 issue

What If? (1977) 1 issue

Wolverine (2024) 2 issues

Wolverine: Revenge (2024) 2 issues

Wolverine: Revenge - Red Band (2024) 1 issue

X-Corp (2021) 2 issues

X-Factor (1986) 1 issue

X-Factor Annual (1986) 1 issue

X-Men (1963) 29 issues

X-Men (1991) 3 issues

X-Men (2010) 3 issues

X-Men Classic (1990) 3 issues

X-Men Classics Starring the X-Men (1983) 1 issue

X-Men Legends (2022) 2 issues

X-Men The Hidden Years (1999) 4 issues

X-Men Unlimited (1993) 2 issues

X-Men Unlimited (2004) 1 issue

X-Men: The Early Years (1994) 6 issues

Character appearances from the Grand Comics Database, CC BY-SA 4.0.