The Batman that many people know (and love) today was spawned not in the 1930s, when the Caped Crusader first appeared in comic books – but rather in the 1980s, under the revisionary design of writer/artist Frank Miller, creator of Sin City and 300. Miller’s seminal Batman story arcs - Batman: Year One and The Dark Knight Returns – have directly influenced every iteration of the superhero thereafter, including Chris Nolan’s Batman Begins and The Dark Knight Rises (respectively). In short, it was Miller who put the “dark” into The Dark Knight.DC Universe has already paid homage to Miller’s work with a Batman: Year One animated film, but with The Dark Knight Returns,...