Natasha Romanoff has been assigned to track a new bio weapon created by Dr. Didier Ines. With Yelena Belova, the soon-to-be new Black Widow, shadowing Natasha, the pair may be in for more trouble than they realize.

Natasha Romanoff has been assigned to track a new bio weapon created by Dr. Didier Ines. With Yelena Belova, the soon-to-be new Black Widow, shadowing Natasha, the pair may be in for more trouble than they realize.