Black Adam had to go through multiple edits for the MPAA to consider lowering its rating from R to PG-13, but the film's producers say they "never compromised" to get there.
The Toxic Avenger remake starring Peter Dinklage has been given an R-rating for gore and graphic nudity, following in the footsteps of the original '80s superhero comedy.
Viewers of Doctor Strange in the Multiverse of Madness are debating whether the movie should have received an R rating instead of its PG-13 designation.
While The Batman may not be rated R, there are plenty of amazing R-rated superhero comic movies just waiting to be watched. From Joker to Zack Snyder's Justice League to Watchmen, here are the best ones out currently available.