The comic book drama will become the first R-rated movie ever to reach $1 billion at the worldwide box office.

Made on a relatively minimal $62.5 million, Joker is already the most profitable comic book movie of all time . Now, Forbes reports that the film will cross the billion-dollar marker as it enters its seventh weekend in cinemas.

In addition to this being the first time in history an R-rated film has reached the elusive mark, the milestone is significant for a number of other reasons. For one, Joker becomes the only one of the seven billion-dollar earners in 2019 to not come from the Disney/Marvel world.