The *Mask of the Phantasm* expansion adds a new layer of tension and strategy to *Batman: The Animated Series Adventures*. Here, you can play as Bruce Wayne or the enigmatic Phantasm, who can be either a hero or a villain. In the campaign, the Phantasm acts as a third force, neither ally nor direct enemy to the heroes, creating a cat-and-mouse game full of twists. With new components like hero sheets, skill cards, and a mission book featuring 3 battles inspired by the movie, this expansion is a must-have for Batman fans and cooperative games with a dash of betrayal and suspense. Get ready to race against time as you try to stop the villains while dealing with the shadowy threat of the Phantasm!