It's ultimate action as Rainbow Dash takes up the mantle of Mare-Do-Well! Ponyville is beset by a vicious villain and his candy-coated creatures! Can Mare-Do-Well and her pink inventor sidekick turn the tide of terror? You better count on it, True Believer! Mayhem Masterly Mixed in the Mighty Marevel Manner!

As originally presented in Tales of Daring #148, with commentary by comic historian Trot McCloud