Beloved horror filmmaker Mike Flanagan, who directed “Doctor Sleep” and created Netflix’s “Midnight Mass” and “The Haunting of Hill House” mini-series, has found a new gig. It appears that Flanagan has already joined the long-in-development “Warhammer 40,000” adaptation in the works at Amazon, one which has Henry Cavill heavily involved. Kevin Rountree, Chief Executive of Games Workshop, also reportedly confirmed that Henry Cavill and Vertigo “remain involved as they have been for some time.” What’s not confirmed or even clear is whether this will be a feature film or a television series project. Cavill first announced the partnership with Amazon and Games Workshop over three years ago.