Who are your favorite superheroes?

Hi people! I also want to show you a couple of photos of the process of drawing my two favorite works, these drawings that I brought to participate in the contest.

Dr. Strange is a fictional superhero appearing in the American comics Marvel Comics.
Tony Stark is a brilliant inventor and a wealthy industrialist with a playboy reputation, having received wounded prisoners, he creates high-tech armor and uses armor to protect the world under the guise of the Iron Man ......