: Mr. Freeze is living in the Arctic with his cryogenically frozen wife, Nora. A submarine accidentally destroys her containment capsule, leaving her with only weeks to live.
: Freeze returns to Gotham to find a black-market doctor. They discover that the only compatible live organ donor is Barbara Gordon (Batgirl) . Batman & Mr. Freeze: SubZero (Dub)
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: Freeze abducts Barbara, taking her to an abandoned oil rig offshore to perform a forced, lethal transplant. Batman & Mr. Freeze: SubZero (Dub)