Dr. Henry Pym

Dr. Henry Pym is a brilliant scientist and founding Avenger best known for discovering the size-altering Pym Particles, which allowed him to shrink or grow at will. He has operated under several heroic identities — including Ant-Man, Giant-Man, and Yellowjacket — and co-founded the Avengers alongside Janet Van Dyne.

A founding pillar of Marvel's Silver Age superhero renaissance, Dr. Henry Pym made his catalog debut in 1965 and has been a fixture of the Marvel Universe ever since — a scientist whose legacy stretches across more than five decades of storytelling. As a proud member of the Avengers, he's kept extraordinary company, sharing adventures with the likes of Iron Man, Janet Van Dyne, Wonder Man, and other heavy hitters of the Marvel pantheon. His strongest footprint runs through Avengers West Coast and West Coast Avengers, making him a cornerstone of that sun-drenched corner of the Marvel world, with two collector-recognized key issues marking high points in his long career. For fans who love the intellectual, complex side of Marvel's heroic tradition, Dr. Henry Pym is absolutely worth seeking out.