SubZero was released in the year 1998。SubZero is also called as Subzero, Batman ja Pakkasherra, Batman Animated Movie II: The Iceman's Cometh, Batman & Mr. Freeze: SubZero, Batman & Mr. Freeze: Eiszeit。
Mr. Freeze is living in the arctic with his cryogenically-frozen wife. When a submarine destroys her containment capsule, he has to find someone to "donate" a new heart for her. His search turns up one donor with the right blood type: Barbara (Batgirl) Gordon. Her kidnapping sends Batman and Robin on a hurried chase to free her in time.