The Joker film from 2019 was controversial and some critics walked out due to its violence. The film is about Arthur Fleck, a failed stand-up comedian with mental health issues who lives in Gotham City. He faces bullying and tries to pursue his dreams. He begins killing people who have disrespected him and unintentionally inspires other acts of violence. The film explores themes of mental health, justice, and betrayal. It received both positive and negative reviews from critics.