Two house ads for the Columbia Pictures movie serial Batman (1943); printed in (top) Batman v.1 #20 (December 1943-January 1944) and (bottom) World's Finest Comics #12 (Winter [January] 1944)
Ad artwork taken from the iconic cover of Batman #9:
Cover of Batman v.1 #9 (February-March 1942), pencils by Fred Ray, inks by Jerry Robinson
Here's the first chapter of the serial! Please do not judge it by the quality of Batman's cowl. And a note: the historical wartime racism in this film is sadly typical for this period, but is not approved of by yours little stuffed truly.