Another Alien: Covenant prologue film shows what happened after Prometheus Following the prologue film that arrived back in February, 20th Century Fox has debuted a second Alien: Covenant prologue film. Titled “The Crossing,” the short shows what happened to Dr. Elizabeth Shaw and the synthetic David after the events of Prometheus! Check it out in the player below, and watch a preview for the film’s HBO first look as well! Ridley Scott returns to the universe he created with Alien: Covenant, a new chapter in his groundbreaking Alien franchise.