(W) Garth Ennis (A) Doug Braithwaite (CA) Tim Bradstreet. Written by GARTH ENNIS Penciled by DOUGIE BRAITHWAITE Cover by TIM BRADSTREET "Mother Russia" Searching for a deadly retrovirus whose sale on the black market could bring the world to its knees* Frank Castle penetrates a Russian nuclear silo...and comes face-to-face with the Mongolian! Part 4 (of 6). 32 PGS./Parental Advisory