Comic characters are really easy to fix: "Comic characters must have a specified arc/era to draw feats from. Feats from outside that era do NOT count unless they are 100% covered by feats actually shown in the chosen era, beyond a shadow of doubt.". Yes, the characters remain overpowered, but now you can't cherrypick. Silver Age Supes does silver age stuff period and doesn't get to outrun double blackholes. Super Flash doesn't get other tricks, etc.
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Currently playing: League of Legends, Chrono Cross.
Current Projects: Fool's Overture, CYOA: http://www.gamefaqs.com/boards/8-gamefaqs-contests/60143513