 Since the #42-43 storyline occurred in 1942, it depicts Daka's activities prior to the events of the 1943 serial, as noted by writer Roy Thomas in a letter column.From 2016 to 2019, Big John Creations produced a web series called "Mystery of the Bat-Man" as an homage to the original serial.Four chapters have been released under the guise of a "lost" serial from the late 1930s, complete with fictional backstory.