The McDonald's Batman DC Comics Forever featuring The Riddler 3D Glass Mug Cup from 1995 is a collectible advertising item that celebrates the collaboration between McDonald's and DC Comics. The clear glass mug showcases the iconic character of The Riddler from the Batman franchise, making it a unique and desirable piece for fans of fast food memorabilia and comic book enthusiasts. Made in the United States, this mug serves as a nostalgic reminder of a popular promotional campaign from the mid-90s.