It has been 16 years since The Dark Knight was released and left one mystery hanging above the DC movie, but now the answers have been revealed. The Dark Knight is considered one of the greatest superhero movies of all time thanks to its exemplary interpretations of Batman lore, with Heath Ledger’s Joker being a standout feature. His frenetic, violent take on what was once a much campier villain remains paradigmatic, with his motives being a terrifyingly unpredictable antithesis to Batman’s preoccupation with order.