By Bonnie Stiernberg Ever since Heath Ledger delivered his iconic performance as the Joker in 2008’s The Dark Knight and posthumously earned an Oscar for Best Supporting Actor, actors and directors alike have been champing at the bit to piggyback on his success with their own interpretations of the character. Jared Leto went Method for the role in the much-maligned Suicide Squad, while Joaquin Phoenix delved into his Taxi Driver-inspired origin story with Joker. Even this year’s The Batman, whose primary villain is the Riddler, couldn’t resist dropping in an extremely creepy Joker in one jail-…