Warning: Spoilers for John Wick: Chapter 4 Below!John Wick has fought and overcome many different enemies over the course of the John Wick franchise. First introduced as a retired assassin mourning the passing of his wife, John Wick (Keanu Reeves) goes on a revenge mission for the killing of his dog and theft of his car in the first John Wick movie. The four movies of the John Wick series gradually reveal more and more about John and the hidden assassin world he is fighting to get out of, with assassins all living under a shadowy governing body known as the High Table.
