I'll name a few of my own:
-David Twohy: I'll agree with almost everyone on this one, since I love his work on the Riddick films and it would be nice if he got to make more than one movie every nine years.
-Pete Travis: He could definitely pull off the dingy, run down future setting if they go in that direction. And hopefully we'd get Karl Urban as a space marine.
-Yann Demange:
'71 really captured what it would be like to be alone and surrounded by enemies. Apply that to an under equipped Predator surrounded by Aliens and presto.
-John McTiernan: I'd like for him to make a come back now that he's out of prison.
Now for my unrealistic choices:
-Park Chan-wook: Because I want to see Choi Min-sik take on both species with a f**king hammer.
-Duncan Jones
-Tommy Wiseau: Because honestly, he'd be a step up from the Strause Bros.