Source
Comic Book Resources
Marc Guggenheim (W), R.B. Silva (A), Ardian Syaf (C).
* The perfect mutant-killing machine has mutated.
* As the X-Men fight for their lives against the most fearsome Sentinel yet, one X-Man decides to do the unthinkable!
* Will it take the life of one X-Man to save the rest?
32 pages, $3.99.
