When it comes to the demonic possession genre, it's safe to say 2023 has been a banner year. Movies such as Evil Dead Rise, The Pope's Exorcist and It Lives Inside have dissected adults and kids being used as Satanic vessels. However, with Halloween right around the corner, the property that's credited as the grandfather of them all is back in play.
Source:https://www.cbr.com/does-exorcist-believer-have-post-credits-scene/