Con Season

From publisher blurb: Con Season is a free Mutants & Masterminds adventure by D.T. Butchino. When the fans of Castle Comics convene for the popular CastleCon in Freedom City, they're in store for more than the average guest, as Doc Otaku decides to crash the con! Now it's up to the heroes to stop him and his mad plan, but what exactly is the anime-inspired mastermind up to?