She's laughing at him.
He grabbed her by the front of her gi, shoving her roughly against the wall, and she made a noise in the back of her throat as her skull connected with the drywall. Then her lips pulled back into a smirk and she wrinkled her nose at him, mocking.
"Red Arrow." It was hissed through grit teeth, and Cheshire laughed again.
"Once a sidekick, always a sidekick," she taunted, and he felt her muscles tense. He jumped back just as her leg came up, her foot brushing harmlessly against his side. She braced her hands against the wall and jumped, placing her feet flat against it before using it for momentum as she pushed herself off it, springing over his head and just out of reach behind him. He spun on his heel, fingers already around the shaft of an arrow and notching it. He let it fly and her knife slid from her sleeve to deflect it.
It exploded on contact, knocking her off her feet. Before she could react he had moved, tackling her to the floor and pinning her with his greater weight.
She flipped her hair out of her way, and she still had that damn smirk on her face. His hand twisted in her top, pulling her up slightly, their faces only inches apart now.
"What are you playing at?" he snarled at her, settling on her more heavily when he felt her squirm beneath him. "What is your goal?"
"Now, why should I tell you?" she hummed, a laugh slipping out as his grip on her tightened. "You really should work on those anger issues. Did Green Arrow teach you manners? Because he didn't do a very good job."
"Shut up," he bit out. Cheshire laughed loudly again.
"How am I supposed to tell you all the juicy details if you want me to shut up?"
His eyes narrowed. She grinned back, before she worked her legs free and hooked them around his neck and pulled him off her, flipping their positions. She cupped his face, smiling playfully before her nails dug in, scratching hard and deep. He hissed as the cuts stung then burned, and he could smell the poison on her hands. She pecked his lips, before getting to her feet. He moved to get up, but his entire body was numb, and he could only watch as she retrieved her mask and slipped it into place.
"It's not fatal," she informed him pleasantly, "The paralysis will wear off in about an hour, give or take." She turned to him, hand on her hip. "Bye bye pretty boy."
She jumped out the window they had broken upon their frenzied entrance, disappearing to the street below. He growled deep in his chest, turning his eyes to the ceiling and cursing silently.