Black Widow and Hawkeye take down an alien sleeper cell housed in two skyscrapers in New York, before being promoted to the public Ultimates team. Quicksilver and Scarlet Witch are revealed as working for S.H.I.E.L.D. Nick Fury reveals that shapechanging aliens called Chitauri have infiltrated Earth, and helped Hitler in WWII. They are now back. Captain America confronts Hank in a bar.