The Bats are the minions of the Snow Queen and the secondary villains of the 1996 movie of the titular main character. The Bats are briefly featured in the final events of the second part of Disney vs. Non-Disney Villains War.
Disney Vs Non Disney Villains War - Part Two
The Bats appear as part of Myotismon's Bat Army. When Myotismon encounters a freezed Snow Queen, he uses the Bats to reclaim her stafff into her hands, so that she would be freed from her icy prison. The Bats are not featured in the rest events of the war.