I am incredibly nervous about the upcoming movie in the Joker cinematic universe . For those of you who don't know, the sequel to the hit 2019 film Joker will be called Joker: Folie à Deux . The highly anticipated movie will co-star Lady Gaga as Harley Quinn , and get this…it's going to be a musical. I love musicals, so when I heard this news, I was more than stoked. Joker is already such a heightened and unrealistic movie anyways, I don't think that adding some Judy Garland covers is going to…