Since we're just making up random heroes now, I wonder if they could do a sort of "proto" GA Superman Batman and WW. Sort of like stand in characters who have similar abilities. A Superman stand in who can't fly but can leap great distances. Give him a Gladiator type origin. A Batman who isn't based on a bat but maybe an Owl. Supposedly WW was around in this new incarnation so that might not be necessary for her.