The ever-explosive John Wick: Chapter 4 marks the fourth (appropriately named) instalment in the beloved action film franchise. With their finger on the trigger, Lionsgate is looking to keep the killstreak going, and are aiming for another solid win. This time our titular character – John Wick (Keanu Reeves) embarks on a treacherous journey to unveil a pathway towards vanquishing his nemesi...