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 known for its gritty and realistic portrayal of Batman, as well as its exploration of themes such as aging, morality, and the nature of heroism. It is considered a seminal work in the Batman mythos.