Longtime fans of Superman gasped when he actually committed murder in the most recent movie.
That was unthinkable to generations of comic-book readers, but a typical move for today's crop of anti-heroes.
Even our old heroes take on a dark tint in today's world.
Writer and pop-culture observer Chuck Klosterman not only noticed, he finds himself gravitating to the darker characters.
He documents the trend in his book I Wear the Black Hat, now out in a paperback edition.
