: There is no confirmed production for Sinister 3 as a standalone feature film by Blumhouse Productions at this time.
If you're looking for something new to watch, I can recommend based on: Found footage style Demonic/Supernatural themes Sinister 3 Filmyzilla
Instead, be a smart horror fan. Stream the original Sinister legally this weekend. Leave a positive review. Tweet @Blumhouse with the hashtag #MakeSinister3. Demand studios know that there is a paying, passionate audience for true atmospheric horror. : There is no confirmed production for Sinister