Scott still wants to make his third prequel film.

“What I always thought when I was making the first one [was] why would a creature like this be made and why was it traveling in what I always thought was a kind of war-craft, which was carrying a cargo of these eggs. What was the purpose of the vehicle and what was the purpose of the eggs? That’s the thing to question – who, why, and for what purpose is the next idea, I think,”
https://www.latimes.com/entertainmen...ey-scott-alien