The Engineers in Prometheus created humanity, saw them as failed, and planned to wipe them out with advanced technology. David, an android and artificial creation of humanity, wanted to overcome creator status quo, signaling humans playing God and their impending downfall. Alien: Covenant hints Engineers could have used Black Goo as a bioweapon to eradicate humanity on Earth.

In Ridley Scotts 2012 sci-fi mystery, Prometheus, the Engineers were heading to Earth and while it's strongly insinuated that their voyage didn't bode well for humanity, the true reasons for their journey have been a consistent question raised by viewers. However, the central themes that pervade both Prometheus and its 2017 sequel, Alien: Covenant, help understand what the Engineers want. Both movies deal with the fraught relations between creator and creation, reflecting a classic tussle for power between the two.

Prometheus follows a human expedition headed by archaeologists Elizabeth Shaw (Noomi Rapace) and Charlie...