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Is there any comic book where Bruce did not put his batsuit on, and fought with gangsters/thugs as himself, without changing into Batman ?
Bruce fights pimps, prostitutes, and Selina Kyle in street clothes in Batman #404, 1987
Bruce beats up a gang Bialyan thugs in a tuxedo in Justice League International #16, 1988
Bruce briefly fights with Batman(Jean Paul Valley) in Robin #7, 1994
Required, but never shown