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Code Name
The Masked Rider
 
Gender
male

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Appearance
Type
Appearance
Information
Issue Cover Date
  story 8pg art Marvel Mystery Comics 2 December 1939
  story 8pg art Marvel Mystery Comics 3 January 1940
  story 8pg art Marvel Mystery Comics 4 February 1940
  story 8pg art Marvel Mystery Comics 6 April 1940
  story 8pg art Marvel Mystery Comics 7 May 1940
  story 8pg art Marvel Mystery Comics 8 June 1940
  story 8pg art Marvel Mystery Comics 9 July 1940
  story 8pg art Marvel Mystery Comics 10 August 1940
  story 6pg art Marvel Mystery Comics 11 September 1940
  story 6pg art Marvel Mystery Comics 12 October 1940