The sexualization of female or male superheroes and the impact on readers/viewers.
The development of superhero characters and films like Miles Morales, Miss America, Ms. Marvel, Black Panther, or Daredevil in terms of representing under-represented populations. You could choose one character and look at the comics and films to examine what it reveals about a presenting a more diverse genre.
The new move to incorporate more female superheroes.
Look at superheroes and offer comparisons of where you see pop culture attempting to be more inclusive or places here there needs to be more inclusivity.
Superheroes and Popular Culture:
What was the evolution of one superhero, and how were those changes impacted by cultural and political events?
Which superhero is most appealing?
Why are superheroes so popular?
What are the implications of the race, gender, or sexual orientation of superheroes?
How is our preoccupation with superheroes harmful/detract from the everyday heroism of people like first-responders?