Batman: The Dark Knight Returns (film) - Wikipedia

Batman: The Dark Knight Returns, DC Database

Batman v Superman: Dawn of Justice - Wikipedia

Can we talk about this comic? It has Firefly in it, and I'm

DCU: Batman: The Dark Knight Returns - Part 1

Batman: The Doom That Came to Gotham - Wikiwand

Ra's al Ghul - Wikipedia

Joker (The Dark Knight's Real Hero)

The Dark Knight Rises - Wikipedia

Batman: The Dark Knight Returns, Part 1 (Video 2012) - IMDb

Batman: Arkham City - Wikipedia