BRZRKR (BERZERKER) #4 (OF 12) CVR A GRAMPA (MR)

*  What secret in Berzerker's past holds the KEY to his immortality?
*  The last piece of B.'s tragic origin and the fate of his parents are revealed as Diana continues unearthing his memories, prompting a new mission in the present day.
*  Will this one unlock the mystery that is his existence? Or will B. be cursed to wander the Earth forever?