Well Superman is the story of an immigrant, Captain Marvel is an orphan boy who was living on the street and even after he receives powers has to work a job to

Well Superman is the story of an immigrant, Captain Marvel is an orphan boy who was living on the street and even after he receives powers has to work a job to survive, Miles Morales is from a middle class family who is unhappy about having powers, etc. I'm not sure why you think the superhero genre is about fame and glory. There are examples of that for sure, but it's not the norm, and definitely not the roots of the genre.