It's the streaming service announcement heard 'round the world. After the coronavirus delayed its original theatrical release date and there was lots of hemming-and-hawing about whether we will (or should) experience it in a theater any time soon, Disney announced that the live-action remake of Mulan will debut on Disney+ September 4, 2020. But there's a catch — it won't just be available for Disney+ subscribers willy-nilly. We'll have to fork over an extra $29.99 to get access to the film on 09/04. And now, thanks to a new landing page …