More meta-event than movie, Fifty Shades Darker arrives with the forced fanfare of a willy cake from your Aunt Sheila. On page and screen, the series has struggled to provide material to match its breathless cultural ubiquity and this deficit continues with film number two. Is anyone actually enjoying this anymore? Local saucepot Jamie Dornan does the interview rounds like a good boy, but his screaming eyes betray the pain of bondage. Pipe up Jamie, what’s the safe word? Picking up a little time after Christian Grey (Dornan) and Anastasia Steele (Dakota Johnson, still the best thing here) severed their…