To this day there are only 2 Batman movies where he actually stands by his code and doesn’t kill anyone

In “A Fistful of Dollars” (1964) Joe tells Piripero the undertaker, “Get three coffins ready.” He returns from a gunfight shortly afterwards and tells him, “My mistake. Four coffins.” Given the movie takes place in the 19th century, Joe is likely illiterate and unable to count correctly.