Man-Bat antidote

The antidote was seemingly invented by Batman, to cure Dr. Kirk Langstrom of his transformation into the monstrous, Man-Bat.

Physical appearance
Insert details here.

Scooby-Doo! Team-Up
Insert details here.

Appearances

 * Scooby-Doo! Team-Up
 * #1. Man Bat and Robbin'

Notes/trivia

 * Dr. Langstrom implied that this isn't the first time he's been the Man-Bat, so the antidote may not be permanent.