If there was any lingering doubt about Henry Cavill leading Amazon's live-action Warhammer 40,000 series, you can put it to rest. Not only is Cavill taking center stage, but acclaimed filmmaker Mike Flanagan is now helping shape the story, and it sounds like development is picking up momentum. Cavill broke the news on his official Instagram account, where he confirmed he's leading the series while revealing that the creative team has already made significant progress. The actor also offered some exciting insight into what's happening creatively, revealing that work with Flanagan is already well underway. The report also confirmed that Cavill and Vertigo Entertainment remain actively involved as development continues under Amazon's long-term agreement.