The latest trailer for Star Wars: The Rise of Skywalker included a shocking look at protagonist Rey (Daisy Ridley) sporting a decidedly Dark Side look and wielding a folding red light saber. The reaction was predictably intense, with some fans complaining that showing this apparent twist amounted to an unforgivable spoiler — even though it could really be anything and it’s part of Disney’s marketing campaign.
Source: IGN.com 19 of the Most Spoilery Movie Trailers Ever