"Are we out of the woods yet?" Swift, 26, wrote along with an image of her looking both angry and frightened.
"Out of the Woods" will debut during the Dick Clark's New Year's Rockin' Eve show. The exact time release has yet to be announced.
Swift's latest song, co-written by Jack Antonoff, will be the sixth official single off her popular 1989 album.
Ryan Seacrest and Jenny McCarthy will host the NYE celebrations live from Times Square while Fergie will host the Billboard Hollywood Party on the west coast.