WEAPON X - the facility that created Wolverine - now holds a shocking new secret. And finally, CLINT BARTON comes face-to-face with his ultimate target: BARON ZEMO, who masterminded the murder of the AVENGERS 45 years before! Don't miss the penultimate issue of OLD MAN HAWKEYE as Clint closes in on his quest and new revelations make you question what you thought you knew!