Almost ten years ago, Marvel Studios' biggest gamble delivered one of its finest achievements. When Guardians of the Galaxy was initially announced, no one really expected all that much from an anti-hero movie starring that chubby guy from Parks & Recreation, a WWE wrestler-turned-actor, an anthropomorphic raccoon, and a walking, talking tree. Against the odds and with its expert mix of heart, humour, and action, James Gunn's masterpiece was a total breath of fresh air. After a successful but slightly disappointing 2017 sequel, Gunn's hopes to wrap up the trilogy were dashed...