EARTH: Batman dying after spending his life with Wonder Woman
In a projection created by a Martian counseling device, Wonder Woman and Batman begin a romantic relationship and become partners. After spending a lifetime together, Batman has lost the use of his legs and retired to Paradise Island. Wonder Woman has not aged and continues to be active as a hero. Batman knows that he will die soon and is prepared for it, and though Wonder Woman wishes otherwise she accepts the fact of his passing.