The newest Ridley Scott film, "Alien: Covenant" just opened in theatres this past thursday, and has already snagged the top spot at the Friday box office. Covenant opened to $4.2 million dollars for it's thursday preview night ticket sales alone. The film's main competition is the newest Marvel movie: "Guardians of the Galaxy Volume 2," which is in it's third weekend of release. Thus far, the Guardians sequel has grossed over $600 million dollars at the box office. "Covenant" is expected to gross over $40 million dollars for it's opening weekend.