Scowling, Nick didn't buy the act. She shouldn't have run. He slowed and kept his gun leveled at her forehead. Good move by Sitwell cutting her off, but Fury didn't think she was going to react too well to being caught. He stayed a few paces away, fully prepared to shoot her if it came to it.
"Then come on and let us take you into S.H.I.E.L.D. without a fight," Nick commanded. If she wanted to carry on this innocent act then she could do her whining and begging from a cell. "This can be easy, Mystique. Don't make it worse."