There was an idea… a Marvellous vision: to create a consistent cinematic universe of interconnected stories about superpowered individuals. Across a decade, each increment would slowly build toward an event film on a scale hitherto unseen… the apotheosis of comic-book smackdowns. Avengers: Infinity War is that film. Quinny has seen it, Dion hasn’t; the result is a completely spoiler-free review of a tale ten years and 18 movies in the making.