Just before 20th Century Fox was swallowed up by Disney, they celebrated the 40th anniversary of one of their own greatest franchises with six Alien 40th Anniversary Short Films.
I doubt the Xenomorphs are going to be showing up in the Marvel Cinematic Universe any time soon, but that's OK: they've done a fine job of making humanity's corner of the galaxy a nasty, brutish place to live and die in. I can pass on seeing how Captain Marvel and friends would cope with a gaggle of facehuggers coming for them.[note]Step 1: Stop leaning over those bloody eggs! Nothing good will come from your curiosity.[/note]