Sci-fi Heroes Who Turned Out To Be Darker Than the Villains

For a long time, it's always been easy to tell who the villain was in the films and what he or she wanted. Typically, there is a malevolent alien force trying to destroy the world, which the plucky Earth hero is putting an end to. But those conventions have changed recently with a wave of more complicated and nuanced sci-fi movies being released. Even when a character is portrayed as a hero, their actions and motivations can leave the audience unsure of whether they're actually worse than the threat they're confronting. That being said, these are the four sci-fi heroes