He tries to help Mega Man and the others in Super Adventure Rockman, but got lost in the forest and lost time complaining the heat, so he decided to stay near a river until it was over. After hearing a large explosion, he investigate it and find the other robots, and returns home.
In Mega Man: Battle & Chase, he enter the competition to use the money to travel around "cool" places in the world. If the player win with him, he will visit South Pole, North Pole and others places, making ice sculptures in the way.
At a unknown time between the classic and X series, Ice Man was taken in a explosion that sent him to another dimension, reversing him to his original appearance, but "human" instead of robot, and had a replica. He and the replica changed their names to "Ice Climbers", and wasn't seen again in the Mega Man universe, except for old files found here and there, which are used in magazines and other places.