The correct answer to this question is a psychological thriller, crime drama motion picture. The movie is a character study, based around the character of Joker. This character is played by Joaquin Phoenix, who is not new to playing in thrilling films.
It does have a low budget of $55 million, but that is because the filmmakers wanted to focus more on the story than anything else. Joker is set in 1981 and is inspired by the graphic novel Batman: The Killing Joke. The movie is the first in the Batman film to receive an R rating. This is because it includes graphic violence, sexual images, and foul language.
Most of the time, anything associated with the world of superheroes and comics equates to a budget higher than $100 million. In the case of the new Joker film, the studio has managed to keep their budget at $55 million.
The budget suggests that the film will rely less on theatrics and CGI in favor of a more intense character study of the Joker. The goal is to keep the movie at a lower budget and make it for a more mature viewing audience. It is not the typical comic book movie.