This piece includes spoilers for the movie “Joker.” CW: murder, mental illness Oscar-worthy or overrated? “Taxi Driver” for a new generation or just a self-serious comic book movie? Biting...

Released in theaters less than two weeks ago, the film “Joker” is already awash with controversy. “Joker” traces the evolution of Arthur Fleck, a mentally ill outcast who is relentlessly terrorized,...