Blade Runner: Rick Deckard vs. Roy Batty

This is where we make it up to Ridley for saying Aliens was better than Alien. Based on a Philip K. Dick story (before he was the de rigueur Hollywood primary source) this classic pits Harrison Ford against another creep hall of famer, Rutger Hauer, in a dystopian futuristic setting (aka 2019). The film also stars a pre-repeated-public-meltdown Sean Young as a very realistic android (or "replicant") and a possible love interest for Ford.