Sharp-eyed internet users have been mocking clips in the film of a Chinese doctor wearing a face mask but no surgical gloves when operating on Iron Man, as well as not-too-subtle product placements for a domestic milk drink.
When you walk into a Chinese doctor's clinic, expect to be grilled on all aspects of your life - your appetite, digestion, bowel movements, perspiration, moods, sleep, dreams, energy levels, even your libido.