The Warner Bros. film racked up a huge $40 million for its official opening day.

Thats also more than some other major DC Comics titles such asJusticeLeagueandWonder Woman,according to Forbes.

Its particularly impressive given the films R-rating and grim take on the story of the Batman universe supervillain.

Joker

Niko Tavernise/Warner Bros.

The opening was also bigger than the R-rated superhero titleLogan.

The films audience score is at 92 percent.

Many theaters have increased security and one theater in California even canceled screenings due to a threat.