The note was promptly torn in half and crumbled after Cheshire spared it a read. She did not like all the mystery and directions. If she was right, the Riddler needed something from her.
Cheshire suppressed her annoyance and followed the instructions to the backroom. The bartender kept her in his peripheral and nodded discretely when she entered. Cheshire kept her guard up and did a visual sweep of the surroundings, in case she was wrong, and she's just walked into a trap. If this was someone trying to lure her out and capture her, they'd be in for a hell of a fight and a good deal more of toxins in their system.