Final answer:
The question contains a misconception; Ben Affleck did not star as Batman in 'The Batman', which featured Robert Pattinson. It addresses fan interest in Affleck's portrayal and references the Joker, an archvillain in the Batman series.
Step-by-step explanation:
The question pertains to the casting of Ben Affleck as Batman in the film 'The Batman'. Fans of the Batman comic books and movies are indeed interested in Affleck's portrayal of the Dark Knight, a role that comes with much anticipation and scrutiny. However, there may be a misconception in the question as Affleck did not star in 'The Batman', which featured Robert Pattinson in the titular role.
Fans are also deeply connected to the series' villains, the most notable of which is the Joker, an archvillain in the Batman series. The Joker, according to theater practitioner Augusto Boal, is sometimes likened to a fool, symbolizing the chaos and unpredictability that the character brings to Gotham City.