Many people will hope that there will be an R rated version of this movie on bluray-and-4k-uhd.
https://www.denofgeek.com/movies/the-batman-exploring-the-riddler-and-zodiac-killer-connections
As a PG-13 movie, it's meant for a wider viewing audience
https://www.denofgeek.com/movies/the-batman-matt-reeves-rating
A movie such as this should have an R version, but it's not really necessary for the overall presentation of the story-line.
A blu-ray version of The_Batman should have a lot of extra things, but an R version remains to be seen.
Of course the Joker_in_2019 was intended to be an R movie, right from the start.
THE BATMAN BREAKDOWN! Full Movie Analysis & Details You Missed! https://www.youtube.com/watch?v=zYjCTKgXS9Y NR
The Batman - Spoiler Review https://www.youtube.com/watch?v=vPgrkl7lEjU , https://www.youtube.com/user/ChrisStuckmann/videos
THE BATMAN Ending Explained | Full Movie Breakdown, Easter Eggs, Sequel News, Credits Scene & Review https://www.youtube.com/watch?v=KHFqEMSA954 HS
The Batman Sequel: The Comics That Could Shape the Next Movie https://www.youtube.com/watch?v=jqaE05fd-5w IGN
https://www.rottentomatoes.com/m/the_batman
https://thedirect.com/article/batman-post-credits-explained-ridder-rataalada-solved
https://thedigitallabyrinth.blogspot.com/search?q=The+Batman
https://thedigitallabyrinth.blogspot.com/search?q=The+Batman's+post-credits+scene