Hank Pym

Man of many faces and sizes.

Recommended Reading
Origins:

Tales to Astonish # 27

Avengers Earth's Mightest Heros

Avengers Origins: Ant-Man and The Wasp

Tales to Astonish # 35-69

Avengers # 59-60

Kree-Skrull War (Avengers # 89-97)

Avengers # 139-140

Avneger # 161-162

Trail of Yellowjacket (Avengers # 212-230)

West Coast Avengers

Avengers Forever

Ultron Unlimited ( Avengers V3 # 19-22)

Kang Dynasty (Avengers V3 # 41-55)

Avengers V3 # 71

Avengers Annual 2001

Ant-Man's Big Christmas

Beyond!

Avengers: The Initiative # 1-20

Secret Invasion: Requiem

Mighty Avengers # 20-36

Ant-Man & Wasp Mini

Avengers Academy # 1-20

Daredevil V3 #16