Speaking of Poltegeist, I'm just thinking of the budget and it's just insane to me that it is THIS thin that they have to use so many repeat options (Blumtram, Scarecrow, La Llorona). I'm thinking maybe it's possible we'll get some of the sequels involved this time? Looking back at the original house, it was a lot of black hallways and repeated moments. It may make sense to condense and then add stuff from Poltergeist 2 and 3. Or at the very LEAST, ghosts from those films in the same fashion they did Ghostbusters: Frozen Empire. They can easily add on a subtitle to make it a little more all-encompassing (like Poltergeist: The Beast). A huge aspect missing from the franchise was Reverand Henry Kane who is scary as hell and could easily work as a repeated scareactor to tie the theme all together.
If that were the case, my anticipation would jump up for it quite a bit.