EntertainmentMoviesStylesVideo ‘Once Upon A Deadpool’ Teaser Features Fred Savage By wstyles - November 20, 2018 0 93 Share on Facebook Tweet on Twitter The teaser trailer for Once Upon a Deadpool, a PG-13 edit of the R-rated Deadpool 2, pays homage to The Princess Bride, complete with an appearance by Fred Savage. Once Upon a Deadpool, which features new footage, opens December 12th.