It is the sequel to the 2012 film "Prometheus", the second installment in the Alien universe, which is not a direct prequel, but a series of movies set in the same universe, relating to one another on many levels.
It is the sequel to the 2012 film "Prometheus". Both Prometheus and Alien Covenant are not a direct prequel to Alien, but a series of movies set in the same universe, relating to Alien on many levels.