As an exercise in brand resuscitation, Jack Ryan: Shadow Recruit could be worse; the film does what films of its sort must, building its titular protagonist from the ground up and establishing a potential new franchise for the character going forward. Should the stars align (literally), we could see a Jack Ryan continuance in just a couple of years’ time, assuming Chris Pine can wriggle free from Star Trek‘s grasp and Kevin Costner isn’t busy playing the wise mentor figure to another young buck trying to figure out how to be a hero. This is malleable filmmaking. It necessitates very little by way of continuity. Of course, that particular element…