Batman: The Dark Knight Returns is a four-issue comic book miniseries written and illustrated by Frank Miller. Set in a dystopian future, the story follows an aging Bruce Wayne as he comes out of retirement to fight crime once again. The Dark Knight Returns is considered a seminal work in the Batman mythos, redefining the character for a new generation. It explores themes of aging, morality, and the complex relationship between Batman and his arch-nemesis, the Joker.