I have the novelization for The Dark Knight Rises, so here's an excerpt.
"Maybe you do. But tomorrow that bomb's going off."
She felt the blood drain from her face-there was no reason to doubt him. If anyone was capable of nuking an entire city for his own twisted purposes, it was Bane. Suddenly, she saw her future going up in flames, but she tried not to let on how spooked she was.
"So? Get your 'powerful friend' on the case." Saving Gotham was Batman's job, not hers. She was just a thief, out to survive any way she could.