Instagram/James Wan Movie James Wan's Call of Cthulhu adaptation is still in development, but faces major financial hurdles. An update from the horror maestro. April 8, 2026 AceShowbiz - James Wan has provided an update on his long-anticipated adaptation of the H.P. Lovecraft horror story Call of Cthulhu, revealing that despite ongoing development, the project currently faces significant financial obstacles. James Wan, renowned for co-creating popular horror franchises such as Insidious, Saw, and The Conjuring, first announced his intention to adapt Call of Cthulhu in late 2023.