Earlier this week director Scott Derrickson and his colleague, screenwriter C. Robert Cargill, confirmed they've written a new horror film together and it will go into production once Derrickson finishes up with Doctor Strange in the Multiverse of Madness. Derrickson and Cargill are longtime collaborators having previously worked together on 2012's Sinister (which they co-wrote) and 2016's Doctor Strange (which they co-wrote with Jon Spaihts). On Monday night, both Derrickson and Cargill shared separate tweets confirming they'd joined their powers à la the Wonder Twins and would be working on a new horror movie from …