Artist and writer Bruce Timm, the creator of Batman: the Animated Series, helped create Batman: Strange Days to honor the caped crusader’s 75th anniversary. Described as a “Lost tale from Batman’s past – the Dark Knight tracks a strange giant to the mysterious lair of Dr. Hugo Strange.”
Get more info on the 75th anniversary from DC Comics.
p.s. At the end, when Batman says his only line “For now.” Does he sound a lot like Leonard Nimoy or is it just me?