Batman flung his grapple hook high into the sky and heard the satisfying clunk as it hit the gargoyle atop the highest building in Arkham. He felt the wind against his bruised face and the soft rain that was trickling from the dark grey clouds. His boots landed softly on the stone roof and he straightened up.
He loved this building. From here he could see everything - any fights like the one he just ended, the stretched out broiling sea that lead on to the horizon. Lightning flashed in the distance - a storm was coming.
Since the Joker had died... he had been at peace. Of course, crime still raged, especially in Arkham, but they were easily sorted out. His outfit was unscarred and he was not injured at all. He was about as happy as a person like him could possibly be.

Then his phone rang.

From his belt, he heard the sound of imminent trouble. Nobody knew his number besides Alfred. And he was away, on a camping holiday. Maybe it could be him... He unlatched the small phone and pressed answer.
"Hello, Batman."
Definitely not Alfred. This voice was female and... twisted. Corrupted. Evil. And formal - very British.
"Who is this?" He asked, scanning the area around him. The rain fell thickly now, anyone could be waiting to attack. He readied himself for a confrontation.
"I think... you're bored. You're not doing much these days, and I was wondering if you want to play a game. Thought i'd...cheer you up a bit."
"I don't play games."
"You don't really have a choice, bat."
"Who are you?" Batman repeated.
"I doubt you'd know me. I'm very up-and-coming. Besides...that's not important for the game."
"What-"
"I'll be waiting, Bat. Don't cheat."
Then she hung up. Batman thought for a second, and instantly rung Alfred.

"I've got the results back from the voice scan, sir. It seems our games maker is a certain Lilith Marian Checkovitch - mostly known as Mock Turtle."
"Never heard of her."
"You wouldn't have. Not from around here. In any case, she is definitely a threat - she's a mental kind of villain."
"Mental as in insane? Or mental as in plays with your mind?"
"Both, sir. What are you going to do?"
Batman stood from his vantage point, on the dock, looking out to sea for a moment. "I guess I'll wait. She may not act. She said she'll be waiting, but what for?"
"You, of course. But we have to clue where she is. I'll do more research."
"Thank you, Alfred."