All the superhero comics are based on the myths. What’s culturally acceptable in one era needs to be updated for each successive generation. Cultural norms persevered for longer in the past. With technological improvements in communication and meme dissemination things evolve faster today.
There’s also cross-cultural fertilization as manga and anime, for example, are integrated with Western mythos.
The teens are reading the same stories made relevant to their own experience. They no more relate to formal poetics than they do to formal fashions from the past (altho there are remnants of vintage elements in manifestations like cosplay). Without that cultural resonance, they would simply create their own forms....which may actually be what happens, now that I think about it. For example, the plethora of fan fic/fan comics, etc. Sort of an innate will towards mythic expression.
It’s not culturally acceptable to read Edith Hamilton’s Greek Mythology? Anne Frank, hardly from the distant past, was a huge fan of them. Of course, she was of a very studious nature like so many Jews.
They are very entertaining and truly help to make one an educated and cultured individual.