"Insidious 3" has been filmed and is in post-production as of 2014. However, it has not been released yet. "Insidious 3" is set to debut in theaters on June 5, 2015.
"Insidious 3" is a prequel to the first two films in the series. It chronicles how Elise Rainier uses her psychic abilities to help a teenage girl who is targeted by a supernatural being. The first installment in the series fared decently, scoring a 66 percent from the critical review site Rotten Tomatoes, but the sequel was less fortunate, scoring only 38 percent from the fresh and rotten reviews combined.