Mastermind apparently dies at the end of this story, but returns in the next two issues.
Inks credit from article in Alter Ego #133 (June, 2015).
While eating at an lunch wagon, Danny sees people going in and out of a back room, and figures that something illicit is going on. Further investigation uncovers a secret gambling den, which he soon rounds up and has jailed.
While having a flat tire repaired in Pleasantville, Marvo decides to take in a vaudeville show, whose gate receipts go to an orphan's home. When thugs ruin the show by tossing vegetables at the entertainers, Marvo decides to put on his own show!
Art credits per Who's Who, added by Craig Delich 2012-9-23.