Nickelodeon has revealed the first image of Rise of the Teenage Mutant Ninja Turtles' John Cena-voiced villain, Baron Draxum. The new villain, an "alchemist warrior mutant from the Hidden City," will debut in the series' premiere episode and remain a recurring character throughout its 26-episode first season. Rise of the Teenage Mutant Ninja Turtles villain Baron DraxumIn a statement, Cena called the opportunity to voice a Teenage Mutant Ninja Turtles character "truly special," as he's "always been a fan" of the franchise. Continue reading…