The superhero genre is one that can easily run out of steam. And there have been many who claim it’s already jumped the shark or is well on its way to audience fatigue.
Then along comes Black Panther, which shows the genre still has some life left in it.
The assumption that all the superhero films to date have plumbed the depths of the concept is a bit of an oversimplification. There are still quite a few tales left that the genre can tell.