Plex Documentation → Your Media → Naming & Organizing Your Movie Files
It may have been combined with other Resident Evil movies. You could sort for duplicates to find out.
Be sure to follow Plex naming & organization requirements.
Add the year to the folder and movie.
It may be necessary to Plex Dance the movie after renaming, to remove incorrect information from the Plex database.
This matched immediately on my system:
/movies
/Resident Evil Afterlife (2010)
/Resident Evil Afterlife (2010).mkv
