Detective Comics is a long-running comic book series published by DC Comics, first debuting in 1937. It is best known for introducing the iconic superhero Batman, who made his first appearance in issue #27. The series primarily focuses on crime-fighting stories, featuring detectives and various villains. Over the years, Detective Comics has evolved to include a wide range of characters and storylines, often exploring themes of justice and morality. The series has played a significant role in shaping the superhero genre and has inspired numerous adaptations in film, television, and video games.