A renegade scientist uses an evolutionary ray to make animals into quasi-humans who commit crimes for him using their feral natures. When Batman intervenes, he gets a blast of the ray and is transformed into a rampaging creature.
A renegade scientist uses an evolutionary ray to make animals into quasi-humans who commit crimes for him using their feral natures. When Batman intervenes, he gets a blast of the ray and is transformed into a rampaging creature.