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).
Batman Legends
Batman Legends is part of the UK's 'Collector's' Edition' line of comic books. The first volume was published by Panini Comics for 41 issues between October 2003 and November 2006. The second volume has been published since December 2006 by Titan Magazines. Both volumes reprint Batman related comics from DC Comics from the United States.