Comic book crossovers between different publishers are rare, but one of the most anticipated and popular was the time Batman met Judge Dredd. Thanks to a brief misunderstanding though, the Dark Knight was left humiliated after being floored by the Mega City One main crimefighter after a single blow from his night stick. He was then unmasked and taken in for questioning, and with respect to Dredd, you'd think that Batman could have put up more of a fight and emerged victorious here. He must have a glass jaw...