Everything’s upside down in the 'Stranger Things' star's latest stab at being an action hero, as a fairy tale wedding turns out to be a Bluebeard-like trap ... that she's perfectly equipped to handle.

A medieval word with a highly specific (but often misused) meaning, “damsel” describes a young, unmarried lady-in-waiting. It’s also the broad title given many a helpless heroine in Hollywood movies — ...