Duh, it’s an abbreviation featuring the names of the hosts of Laser Time, silly, combined with a declarative CALL TO ARMS! Why would you assume it’d be anything other than an incredibly coincidental, uber-convenient URL?!
B.A.T.[COMMA] MAN THE PODCAST!
See?! It’s got nothing to do with any kind of “Dark Crusader,” or “Caped Knight,” so hopefully, that’ll help your legal team rest a little easier, DC Comics.