Peter Safran, who has produced all of The Conjuring movies and the spin-offs, recently teased that The Conjuring 3 will not be another haunted house movie.
The 2016 follow-up The Conjuring 2 earned $102.4 million domestic and $320.2 million worldwide from a $40 million budget.
The Conjuring earned $137.4 million domestic and $318 million worldwide in 2013 from just a $20 million budget.
There has been no confirmation that this story will be used for The Conjuring 3 quite yet, or even confirmation that The Conjuring 3 is happening.