Also some films feature the subject unintentionally such as the original "Star Wars" where in retrospect from the reveal in later films, Luke and Leia's early relationship is slightly dubious.
I always think the original "Back to the future" is quite subversive in it's mum lusting after her son subplot.
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MIKE: I've got it! Peter Cushing! We've got to drive a stake through his heart!
VYVYAN: Great! I'll get the car!
NEIL: I'll get a cushion.