Uncanny X-Men - #12 (Cover & Description)

This is out January 11, 2017. Check out the full cover and a description of the issue below.

The X-MEN have waged war on the INHUMANS! But as the X-Men fight for their future, one X-Man fights for her humanity. Driven mad by the influence of her vampiric brother, M desperately tries to stop herself from feeding on the marrow of her enemies…and her friends! Will she succeed? Or will she add to the body count?