NOT the $5 Regal Monday Mystery Movie on March 18, 2024
https://www.reddit.com/r/RegalUnlimited/comments/1bcmax7/mystery_movie_monday_megathread_march_18_2024/
Reddit's dedicated thread has one clue that it involves a mystery, which fits this title. Most posts think this will be the Mystery movie. There have been two other Mystery Movies starring Russell Crowe. $5 plus tax.
The $5 Regal Mystery Movie was Wicked Little Letters