We are coming up on nearly a full eight decades since the caped crusader first appeared on big screens (thanks in part to serials of the 1940s).
Since then, we have had a ton of contributions to the character over the years. From grappling hooks to gravely voices to batarangs to shark repellant to bat nipples, Batman is a character that is as full of depth as any fictional being out there. Adding the grammatical article making the newest installment The Batman just scratches the surface of what the new installment adds to the lore.
Nothing else to say 