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This page contains a listing of all known appearances of Gustave Leech (Earth-616).
If you find an Issue this Character appears in that is not shown here, please edit that issue adding "Gustave Leech (Earth-616)" to the proper section of the Appearances.
Chronological Appearances (by Publication)

Title Year, Month
U.S.A. Comics #4
1942, 05

1942, May

All items (1)

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