Recreating the bedtime story framework from the classic 1987 fantasy film "The Princess Bride" (hence, Fred Savage's starring role in the trailer), "Once Upon a Deadpool" sees the successful sequel with several scenes cut, and new ones shot with Reynolds and Savage. For every ticket sold, $1 will go to the charity F*ck Cancer — temporarily renamed to Fudge Cancer — with a limited theatrical run that begins Dec. 12 and concludes on Christmas Eve. This one is all about Respecting The 'Back.