Once you stop naming powers and start naming effects , you’ll realize you’re not playing a game anymore. You’re running a simulation of your own imagination.
There are no hit points. No spell slots. No fireball that “just does 8d6 damage.” mutants and masterminds power effects
So stop trying to build "Superman." Build the Effect of Superman: Flight, Enhanced Strength, Immunity (Pressure, Cold, Vacuum), Senses (Extended Vision, Microscopic Vision) . Once you stop naming powers and start naming