Written by Brian K. Vaughan. Illustrated by Miachael Ryan.
Cover by Adrian Alphona.
"TINKER, TAILOR, MUTANT, SPY" part 1 (of 3)—Mystique's new assignment from Xavier is to track down a possible new biological weapon: mutant anthrax that spreads telepathically. But Mystique is getting restless following Xavier's orders… and he might not be the only boss she's working for these days…