It all comes down to this! Batman and Catwoman have one chance to get back to their own world...but to do so, they'll have to return to the nonstop battle on the Island and retrieve someone who is the key to their escape...Harley Quinn! But she's not going to go quietly. And who's behind the world-shattering events of our story? You'll find out...and the implications for both Fortnite and the DC Universe will be huge.