Remember really enjoying Skyline, watched that at the cinema and like you say, it will look amazing on 4K. not heard of the other two but those releases look very nice.
Skyline Is a pretty good sci-fi film with an interesting approach to an alien invasion. I recently picked up the two sequels on bluray, Beyond Skyline and Skylines (Skylin3s) which expands the story If you haven't seen those. Thanks for watching.