Radioactive Press is now selling copies of their Atomic Super Humans rules.
From their announcement:
Atomic Super Humans is a turn based combat game for two or more players set in a world where super powered humans must decide if their gifts should be used for the good of mankind or for their own personal gain. Atomic Super Humans gives players complete control over the creation of their character. Players can create an existing character from popular media or one from their own imagination. The possibilities are endless. The object of the game is to stop the opposing player’s atomic super humans from succeeding in their plans.