Mr. Freeze

Mr. Freeze is a criminal that operates in Gotham City. He is most known for using a freeze gun.

Involvement in Story
Mr. Freeze formed a crime trio with Scarecrow and Ratcatcher. They became enemies of Lucas Grey after Grey tried to kill Scarecrow multiple times, believing Scarecrow killed 47. Later on after that, he joined Joker's criminal organization, which fell apart after Joker was killed when he was snapped away by Thanos. King Dice took over the remnants of the gang, but Mr. Freeze didn't.

It is currently unknown where he is or what he is doing. It is believed he will come back around December.