Now that it's over, I made a bracket based on the top 50 Marvel/DC characters:
http://challonge.com/csbg
it's seeded according to their placement on the list
I dunno if I should actually run the contest though, just wanted to see how it'd look. 100 entrants makes a weeeeird bracket
you can make predictions if you want. I allowed 5 so you can make favorites brackets and "who would win in a fight" brackets for your own enjoyment if you're bored
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~Zen