Visceral and at times frightening narratives are running through our popular culture. We get Batman and Superman — once the extensions of our better selves — battling each other in a grim rain; the take-no-prisoners TV commentaries of Samantha Bee and John Oliver; abrasive, if clever, comics like Amy Schumer; rage and betrayal in Beyonce’s “Lemonade”; meth and degradation in “Breaking Bad”; beheadings, dragons, torture and wars for supremacy in “Game of Thrones.”