Description from the publisher: The latest Hero Pack for Teenage Mutant Ninja Turtles: Shadows of the Past is here! This Hero Pack allows you to use Casey Jones as a playable Hero in any base game scenario and also contains an additional Adventure Comic with four new missions! Teenage Mutant Ninja Turtles: Shadows of the Past is a miniatures combat, scenario-driven campaign game that features story content from the IDW TMNT comic. Taking the role of their favorite Turtle or the ultimate villain Shredder, players battle their way through a series of 60-90 minute missions in which they develop their characters' strengths, fighting styles, and equipment along the way to create a lasting story arc.