Which is exactly my point. What is he playing as if there is no Superman figure for him to imitate? In a world without superheroes with capes, where do the kids get the idea?
1. It looks cool, why not?
2. Actually, there's a Spanish literary tradition in place, ala Zorro.
3. Modern superheroes are the literary heir to the traditional Greek demigods already, so there's an even older literary tradition from which they are themselves being drawn.