Appearance Type |
AppearanceInformation | Issue | Cover Date | |
---|---|---|---|---|
story | Ferret, Mystery Detective 6pg art | Marvel Mystery Comics 4 | February 1940 | |
story | 6pg art | Marvel Mystery Comics 6 | April 1940 | |
story | 6pg art | Marvel Mystery Comics 7 | May 1940 | |
story | 6pg art | Marvel Mystery Comics 8 | June 1940 | |
story | 6pg art | Marvel Mystery Comics 9 | July 1940 |