The film represents a departure for the “Black Panther” director, and a creative risk; it grapples with ideas about music, race, family, religion—and vampires.

Yes, it's another killer Michael B. Jordan film. But the story behind the scenes, starring Ryan Coogler, is the one that you'll want to study closely.

The filmmaker, who will completely own the $90 million horror film in 25 years, says he's unsure why his deal has gained so much attention.