“There is, sitting at Disney now, at 20th Studios, 10 episodes of a fully completed Alien vs. Predator anime series that I produced,” Izzo said. “It’s done. It’s in the can. It’s mixed; it’s finished.

When a project enters development, there's no way of telling if it will actually be released, letting the certainty become clearer as production takes place. But it is rare to see a studio in ...