Comic Title: Detective Comics #266
Publisher: DC (National Comics Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: April 1959
On Sale Date: February 24, 1959 Copyright Date February 24, 1959
Source: Library of Congress, Periodicals 1959

Frequency: Monthly
Cover Price: $0.10
Page Count: 32
Editor: Jack Schiff

Title: "The Challenge of the Masked Avenger"
Pages: 6

Feature(s):
Martian Manhunter (of Earth-1)

Artist: Joe Certa

Reprinted In:
Showcase Presents:Martian Manhunter Vol. 1 TPB (2007)

Feature Character(s)

• Martian Manhunter (last appearance in Detective Comics #265; next appearance in Detective Comics #267)

Villain(s)

• Three unnamed criminal gangs (no further appearances)

Other Character(s)

• The Masked Avenger and Mabel (Leroy and his girlfriend; no further appearances)

Synopsis:
While attempting to apprehend a criminal gang, J'onn J'onzz encounters a costumed bumbler called the Masked Avenger. J'onn uses his powers invisibly to protect the bumbler and stop the crooks, but the Masked Avenger believes he did it himself. The man continues his attempts to fight crime and impress his girlfriend. J'onn has to provide several rescues, until the Masked Avenger forsakes his heroic career at the request of his girlfriend.