Below you can find the Collectors know one of the rarest comic books is a 1939 detective comics issue that introduced this gotham hero Jeopardy Words Answer. The answer to Collectors know one of the rarest comic books is a 1939 detective comics issue that introduced this gotham hero has 6 letters. This clue belongs to the At your leisure category and is part of Jeopardy Word Level 102. If you scroll near the bottom you will find other clues and answers part of level 102