VIDEO : 'Avengers: Infinity War': Why Thanos Waited to Collect the Stones

By the end of Avengers: Infinity War, Thanos succeeded in his mission, using the six Infinity Stones to snap half of the living universe out of existence. While Thanos made his intentions very clear throughout the movie, there was one part of his story that fans still couldn't wrap their heads around. "If he doesn?t know where the Soul Stone is, then what is the point?? Screenwriter Stephen McFeely goes on to explain that once Thanos got his hands on Nebula, the plans all started to come together. It was Thanos who gave Loki the scepter, which contained the Mind Stone, before he attacked Earth in the first Avengers movie.