As our heroes drink themselves into oblivion, or drown in self-pity, we are reminded of the contrast with their better, truer former selves. The stage is set, inevitably, for sudden and radical rehabilitation – why allow Bane to break Batman’s back if not to allow Gotham’s dark knight the sweetest of subsequent revenge? Why show 007 so ravaged by drink that he cannot hold his Walther PPK, unless it is merely a blip on a predictable path back to insouciant business as usual?