Ridley Scott's 2012 Alien prequel was, it's fair to say, divisive. For everything Prometheus added to the canon, it muddied something else. And there was also a distinct lack of, well, aliens; the xenomorph that had terrorised Ripley and crew made only the briefest appearance, in an update to the original's chest burst scene that stole the entire film.
Scott's follow-up would appear to right that wrong. Alien: Covenant is set a decade after the events of Prometheus, but with the Nostromo still to embark on its ill-fated voyage. Michael Fassbender returns as David, the cyborg he played in Prometheus and only survivor of that ship's mission, and Katherine Waterston steps into the Ripley role, part of the crew of a space colonisation mission that lands on a planet covered in plants, but eerily light on animal life.
The trailer also offers the first proper look at the new xenomorph, in both its facehugger and full-grown iterations, including a particularly graphic closer in which it headbutts its way through the spaceship's windscreen. Fassbender has said that Alien: Covenant marks a return to the atmosphere of the original: unlike Prometheus, it is apparently "super scary." Expect to hear screams.