Joaquin Phoenix’s laugh in “Joker” is considered one of the most compelling cinematic moments. The 49-year-old won an Oscar for his role in Todd Phillips’ 2019 drama, which has since gone down as a landmark piece of cinema. “Joker” was praised for being more than just a comic book adaptation. Many film fans were thrilled by its mix of psychological drama, social criticism and dark aesthetic. According to Box Office Mojo, the film grossed over $1 billion. How is a sequel supposed to top that? The musical twist “Joker: Folie à Deux” takes a bold, unexpected turn by embracing a musical format, wi…