Captain America
The greatest American superhero
Superman. Meow. lolz jk
He is really tough and almost unbeatable.
superman....greatest superhero ever
A superhero's worst enemy is typically referred to as their arch-enemy or nemesis. This is the character who poses the greatest threat to the superhero and is often portrayed as their main adversary.
Besides actually being the first Superhero created, when others created similar heroes to ride on his cape-tails, Superman was continually powered-up, so that he remains the most powerful superhero there is.
is hawkeye a superhero
yes, he is a superhero
No, the word "superhero" does not have to be capitalized unless it is at the beginning of a sentence.
superhero
Yes, Spawn is a superhero.