Weird question I know but it seemed like a neat idea that afaik has never been executed in the comics. When Bruce has to battle Metahumans and not just clowns with mental disorders why not bring in the Batmobile ?
I mean its already got machine guns/rockets/tasers etc why not have it turn into a 'bot that he can pilot and go h2h with Grundy etc without having to justify not dying from a single hit.