Retrace the roots of THE INFILTRATION all the way back to the beginning of the Marvel Age of Heroes! First, in FANTASTIC FOUR #2 (1962), it''s a close encounter of the Skrull kind as four shape-changing aliens pose as Mr. Fantastic, the Invisible Girl, the Thing and the Human Torch in an attempt to destroy the fledgling Fantastic Four! Then, flash-forward to the present day as the SECRET INVASION stands revealed in the pages of NEW AVENGERS: ILLUMINATI, NEW AVENGERS, MIGHTY AVENGERS and AVENGERS: THE INITIATIVE. Conspiracy. Paranoia. Betrayal. Who do you trust?