Detective Comics
Detective Comics is an American comic book series published by DC Comics. The 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).
Action Comics 1
Published on April 18, 1938 (cover-dated June), by National Allied Publications, a corporate predecessor of DC Comics, it is considered the first true superhero comic; and though today "Action Comics" is a monthly title devoted to Superman, it began, like many early comics, as an anthology.