After the response of 9/11, the Hulk and Mutants, S.H.I.E.L.D. reactivated an old plan to assemble a group of extraordinary individuals of superhumans. A S.H.I.E.L.D. agent, Jasper Sitwell visited Hank Pym and Janet Pym to recruit them into The Avengers Program. Pym agrees on one condition, they fund his Ultron project. Then Iron Man's activities led S.H.I.E.L.D. to take an interest in him.