Aliens on Blu-ray is likely the best we're going to get judging from JC's track record,
it'll probably be exactly the same colour timing etc in 4K.
He could surprise us and release a wax sculpture mess with digital transformations.
(Judgment Day 4K)
A3 is anyone's guess, I'd want a new intermediate cut with fixed compositing.
(More on the side of the Assembly Cut, trim some of the fat.)
Keep AC opening, Ox, "Raise his servants to redemption." , Golic releasing the beast;
& remove the egg shot.
More complex than that obviously, but that's the basics of it.