That long-awaited sequel to Alien: Covenant? Still happening, Ridley Scott says, and with Michael Fassbender’s David at the center.

After a plague wipes out most of humanity, Jacob Elordi’s mechanic and Josh Brolin’s ex-Marine debate their different visions of survival in the director’s newest sci-fi story.

Elordi’s gift as a performer is for mining deeper seams of humanity in unappealing characters, from the douchey trust-fund scion of “Saltburn” to the literal monster of “Frankenstein.”