The Giant (Into the Woods)

The Giant (or The Giantess) is the true main antagonist of 2014 Disney film Into the Woods, She is played by Frances De La Tour. it was a mistake in the film because it was a earthquake according to Cinderella's Prince but turned out to be a giant.

Into the Woods
She first appeared in the woods telling the Stewart and rest where Jack was, she later comes back and causes more damage in the woods with the Baker, Jack, Cinderella and Red Riding Hood planning to fake Jack's death to the giant and then she gets defeated by the Baker and Jack and falls over it was unknown what happened to her next.

Trivia

 * She's from the original tale "Jack and the Beanstalk"
 * The Giant was the only giant alive after her husband died.
 * The Witch was introduced as the main antagonist of the film, but the Giant winds up taking that role because she is more evil and had bigger plans than the Witch.