The mastermind plotting against Batman is revealed, but his plans go deeper than his foe could imagine.
Harley gets knocked the FUCK out, but also meets a new friend, so it's all good!
Batman doesn't know who Batman is and Superman doesn't know who Superman is... annnd go!
With the inclusion of The Phantasm, you knew someone had to die.
Everyone always knew DC comics would bring about the end of all existence.