High-octane adventures of Marvel's deadliest superspy! Natasha Romanoff's shadowy past once again threatens all she holds dear in a globe-hopping thriller! As the Black Widow's house of cards comes crashing down around her, what will she do to keep her deepest secret buried? When a senator is seduced and assassinated, why does the trail followed by his journalist son lead back to Natasha? Meanwhile, a new Ronin is assassinating espionage agents around the world! The next two targets: Black Widow and Mockingbird! But Hawkeye is determined to unmask the killer! Let the spy games begin! Collecting BLACK WIDOW: DEADLY ORIGIN (2009) #1-4, BLACK WIDOW (2010) #1-8, WIDOWMAKER (2010) #1-4, FEAR ITSELF: BLACK WIDOW (2011) #1, BLACK WIDOW SAGA (2010) #1 and material from ENTER THE HEROIC AGE (2010) #1 and IRON MAN: KISS AND KILL (2010) #1.