They have for a while now. There’s nothing to change that wasn’t with reshoots, unless you want a levitating, beam firing grey race calling themselves the Shiar. That’s gone.
Kinberg had different ideas that you all would have loved but people need to get it through to their heads that he has A BOSS, several in fact, and when they order something happen (like turning two films into one and now that you can’t flesh out a central group, make them brainless invaders because that needs no setup, like our previously successful movie, Independence Day), he HAS TO do it. Fox was a business. Business has hierarchy. Place blame where’s blame is due, or is it because Feige’s name is recognizable but no one can name his Fox counterpart.