Boomerang May 8, 2010 Birdman Ep 23 The Deadly Duplicator

Birdman and Avenger are called in to help when a non-human replica of an army defense general stirs up trouble. In order to get inside the headquarters of the evil professor, who is kidnapping people and replacing them with his duplicates, they fight off a replica Birdman and Avenger. They free the captive by pitting the professor and his duplicate against each other.