They fired director Richard Donner because they didn't want to pay him, and he's the reason the franchise became so successful in the first place. There's a big part of Superman II that he did that no one has ever seen. ↗
Wherever you write is supposed to be a little bit of a refuge, a place where you can get away from the world. The more closed in you are, the more you're forced back on your own imagination. ↗
If you're working on a movie, you want it to be projected on the largest tapestry possible, and the sound to be perfect, and for that kind of communal experience of the movies to take place for it. ↗
But I'd say that probably 70 percent of the bunkering is more to give you an idea of the direction that you want to go or to save your ball from going into worse places. ↗
Sometimes you have to go places with characters and emotions within yourself you don't want to do, but you have a duty to the story and as a storyteller to do it. ↗