Henry Cavill says he's under contract for one more film.

If he bows out almost as soon as Affleck, I don't know how they COULD do it now. They can't do The Death of Superman, but they already wasted that, but there's no way to explain Superman's sudden absence except to have him just die for good in the series. If he wants out, they have to kill him. Again. But they can't do that because now he can just be resurrected. But they can't keep him alive without creating a massive plot hole... But they can't kill him again, because now he can just be resurrected... But they can't keep him alive because...