Fan Casting Batman: The Dark Knight Returns

It has been around thirteen years. Bruce Wayne, who everyone believes to be dead after sacrificing himself to contain a nuclear explosion as Batman, has been living the best life with Selina Kyle in the Albanian forests. However, he is granted an unexpected visitor, that being, his long-lost brother, Thomas Wayne, Jr., also known as Owlman. It is here that Bruce learns that the Flashpoint universe was never destroyed, and it's existence is causing Earth 3 to collide with the prime universe, so, with the help of both Thomas, Jr. and another man by the name of John Constantine, Bruce must dawn the cowl of the Batman to stop this crisis on two Earths before the multiverse is fractured.