In Alien: Covenant, we find out what happened with David and Shaw as they made it to the Engineer homeworld. David at some point murders Shaw and uses the black goop bioweapon to genocide the ...

The Engineers were a superior species, with elegant technology, and hairless, tall beings. Only one Engineer was left on the ship that a group of human explorers encountered.

The hologram that shows the Engineers' ship's destination clearly shows the planet Earth -- and the ship itself is loaded to the brim with the urns containing the black substance.

However, Jon Spaihts' original script for the film - entitled Alien: Engineers - did indeed take place on LV-426, and it wasn't until Damon Lindelof came aboard for a re-write that it was decided ...