Nora Fries is the wife of scientist Victor Fries, who later becomes the super-villain known as Mister Freeze. When she is diagnosed with a terminal illness shortly after their marriage, he has her cryogenically frozen while he searches for a cure. Victor goes insane with the loss and turns to crime to fund his research, becoming an enemy to Batman. She is later revived in a Lazarus Pit by Nyssa Raatko, now becoming a super-villain herself as Lazara. Nora Fries was created by Paul Dini, first appearing as part of the DCAU in Batman episode Heart of Ice. (1992) Her first appearance in the DC Universe was Paul Dini's Batman: Mr. Freeze. (1997)

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