80’s winter themed movie. Children or child taken by man. Put in bunker or cabin. Or something underground

An 80’s movie that had a winter theme. Children or a child was taken by a man and put in a bunker or cabin. It was in color and in English. It might have been late 70,s. I don’t know. I was young. A mother is trying to find them or her. I believe the man was a giant or relatively larger than normal. It scared me.

 

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