The wearing of Capes by heroes actually pre-dates the Super era and there is a sort-of merging-in period in between.
Casanova de Milan (Real person)
D'Artagnon (of the Three Musketeers)
Zorro
The Shadow (semi-super, overcoat)
Captain Marvel (aka Shazam)
Superman
cape tights boots mask makeup
Put a cape on.
Commonly accepted first superhero is 'Mandrake The Magician'(1934) by Lee Falk. And the second superhero is 'Phantom'(1936) by Lee Falk. He was the first superhero to wear a costume.
Cloak
A cape
Mask and Cape - 2012 Superhero Survey was released on: USA: 30 July 2012
the one that is cool
Cape, Superpowers, and Sidekick
A girl could wear a superhero-themed t-shirt or tank top paired with jeans or leggings. She could also wear a superhero cape, mask, and accessories to complete the look. Comfortable shoes are recommended for school activities.
MOOMART is the code
Dracula, pope, Sherlock Holmes, zorro
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.