The dc multiverse is a fictional continuity construct that is used in dc comics publications. Detective comics is an american comic book series published by dc comicsthe first volume published from 1937 to 2011 and later continued in 2016 is best known for introducing the superhero batman in detective comics 27 cover dated may 1939. A second series of the same title was launched in the fall of 2011 but in 2016 reverted to the original volume numbering.