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Professor Horton
10 appearances in the database · 8 series
Marvel Mystery Comics
#2
★ First appearance
Marvel Mystery Comics #2
Dec 1939
Appearances
Marvel Mystery Comics
(1939)
#2
Young Men
(1950)
#24
Marvel Super-Heroes
(1967)
#20
Marvel Age
(1983)
#130
#131
#133
Wizard Ace Edition #16: Marvel Comics #1
(1997)
#16
Timeslip Collection
(1998)
#1
Earth X
(2000)
#[nn]
Marvel Comics
(2019)
#1000