Should I Watch Prometheus?

But "Prometheus" was a film that divided viewers and fans, so it's not necessarily an essential watch. ... You don't even need to have seen any previous Alien movies, in fact, although knowledge of the iconic series will help you spot riffs on classic moments from Ridley Scott's original 1979 film.

Is Prometheus that bad?

While many fans of the Alien franchise were disappointed by Prometheus, the movie is definitely not all bad and has many things to appreciate. ... While Damon Lindelof's rewrite does deserve a bit of scrutiny, the movie is actually not as bad as many think, In fact, many fans feel it is likely the third-best Alien film.

What should I watch before watching Prometheus?