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Prometheus and Covenant are controversial in the Alien fandom, but for better or worse, they’re canonical. In an interview with Empire Magazine last month, Hawley said he would avoid the topics raised in those movies, but stopped short of saying he would contradict them. Therefore, it’s quite possible that the monsters appearing in this new series came straight from the home world of the Engineers, where David conducted genetic experiments without restrictions or oversight.

Timeline Landmarks
Alien: Earth is set in the year 2120 CE, when a spaceship called the Maginot returns from a 65-year mission with a hold full of extra-terrestrial specimens to study. A lot has happened in its 65 years away โ the USS Prometheus was launched in 2091 and reached the moon LV-223 in 2093. At the end of that movie, David and Elizabeth Shaw (Noomi Rapace) left on an Engineer ship to find the Engineers’ home planet. When they arrived, David used the Engineers’ own genetic weapons against them, wiping out their population and killing Shaw before turning his attention to his experiments.
The USS Covenant then arrived on the Engineers’ home world in the year 2104, drawn by David’s transmission of music. They found that he had been experimenting with a blend of the “black liquid” genetic weapon, human DNA from Shaw, Engineer DNA, and other local lifeforms, resulting in the “neomorph.” With the arrival of fresh human hosts, his creations were finally able to evolve one step further, becoming the familiar xenomorphs of the later movies.
At the end of Covenant, we can assume that the xenomorphs will continue to live on that unnamed planet, so it’s possible the Maginot visited there and picked some up. Meanwhile, David left the planet with preserved facehugger embryos, which he could theoretically have distributed anywhere in space. The USS Covenant was resuming its course to Origae-6, which was still over seven years away, but it’s unclear if David intended to keep that course or not.









