Astonishing X-Men: Mystique, Vol. 3 - Unnatural

When everyone's favorite shape-shifting secret agent is sent to Europe to investigate a biotech company rumored to be using mutants as guinea pigs, she discovers a mystery far greater than anything she'd imagined! As Mystique and Shortpack get closer to their objective, they must confront a new revelation: that someone is selling transient mutants as guinea pigs, slaves and worse! Will Mystique go after this mutant-selling scum, or will she allow her personal crisis to tear her apart first?