Ant-Man / Hank Pym (What if?)

Doctor Henry Jonathan "Hank" Pym is a scientist and inventor of the Pym Particles, who developed a suit to harness its properties and become an enhanced asset for the government. Together with other exceptional individuals, he was assembled by S.H.I.E.L.D. to confront the Celestial Ego and Peter Quill in their attempt to terraform Earth. He then became a founding member of the Avengers.