Ben Affleck, who has played the role of Batman since 2016’s Batman v Superman, has “finally figured out” how to play the caped crusader in The Flash. “It’s my best s–t I have done as Batman!” Affleck said on the Smartless podcast while promoting Air. “I finally figured out how to play the guy! I know I quit but I got it now! Like you do the audition and you are on your way home, you are like ‘No!’…