In the epic battle of Batman v Superman: Dawn of Justice, choose a side with this Batman v Superman: Dawn of Justice Gotham Guardian Morphing Mug! The exterior of this officially licensed mug transforms from black as hot liquid is added, revealing the hidden image collage in full vivid colors. Watch Ben Affleck as Batman come alive in this Batman v Superman: Dawn of Justice Gotham Guardian Morphing Mug. The 11 ounce mug stands about 6-inches tall. Hand wash only. Not dishwasher safe. Do not microwave.