Quote Originally Posted by rushca01 View Post
In alien they discover the derilict space ship full of eggs with face huggers which is some 100 years after the events of covenant but crash landed thousands of years ago. This movie makes it seem like David created the face hugger and ergo the xenomorph....
Alien takes place 20 years after Covenant, which takes place 10 years after Prometheus.

There are supposed to be 2-3 more movies between Covenant and Alien that should explain how the eggs got on the ship on LV-426