Marketing a movie on its plot twists is an inherently risky venture. Films with classic turns like Fight Club or The Sixth Sense have been so thoroughly spoiled that most young folks know their ending before they know their plot. Matthew Vaughn's Argylle built its pitch around the identity of its title character, but that reveal sits among a dozen other twists and turns. Though everyone on Twitter has likely learned the secret a day or two before release, spoilers lie ahead for this misleading spy adventure.