Alien: Covenant is okay. Unfortunately many people think of the alien collective from the Halo franchise when the word covenant pops up. You would not think it, but even people who have never played halo know what the covenant is. Alien: Paradise Lost is better, but personally a movie title like "Paradise Lost" or "Paradise" is the best. It's simple yet exciting, easy to remember. Like the Martian, Alien, Gladiator. It rolls off ones tongue with ease.