Water disappointment. The party line of D.C. diehards, at least until Wonder Woman’s well-received idealism, was that their films offered “dark” or “serious” stories in contrast to Marvel’s fast-talking raccoons. But that description always fell way short of capturing the fundamental experience of watching films like Superman v Batman: Dawn of Justice or Suicide Squad: one of pure bafflement. The folks at D.C.’s film factory have proved themselves, again and again, to be accidental artisans of “wait, what?” cinema. The DCU is basically the Brexit of the modern multiplex: supposedly smart, competent professionals making a series of very bad decisions…