Also a way to make a scene and Mystique's all about those but she could be something to catch his interest. She could act and talk openly around him as she is unable to do so as when in the role of Detective Raven "The Usurper" Darkholme. This could be a place to start finding that common ground and mutual respect.

And once she steps out of his line of sight, building, and whooosh-- like that, she's gone.