Written by Larry Lieber – Penciled by Jack Kirby – Inked by Dick Ayers – Lettered by Art Simek

Hank Pym’s first appearance — a reluctant hero before Marvel even realized it was creating one.

This isn’t a superhero comic.

It’s a 1950s science-fiction horror story that wandered into 1962 and only later got retrofitted into Marvel history.

Hank Pym debuts here as a brilliant but perhaps slightly impulsive scientist who invents a shrinking serum and immediately decides the most responsible thing to do with it is test it on himself. The structure is pure Marvel anthology: experiment, transformation, paranoia, survival.

You can feel the vibes of those atomic-age science-gone-wrong horror films like Them! and The Fly all over this. Science as both miracle and curse.

Once Pym shrinks, the book fully commits to creature-feature mode. The backyard becomes hostile terrain. Ants are towering monsters. The danger is real and this story sells the fear wonderfully. But then, the superhero style slips in just a bit in the form of a judo chop.

Hank Pym may be microscopic, but don’t worry — he has a human brain… that learned judo.

It’s such a wonderfully early-Marvel solution. No elaborate explanation. No training montage to foreshadow his fighting prowess. And it’s funny — but it’s also very of its time. 1950s fiction loved the idea that intellect and discipline could overcome overwhelming odds. Even when you’re microscopic and facing down an insect the size of a truck.

There’s something revealing about Pym’s temperament here too. He is brilliant, but impulsiveness. He has a careless nature that could be fatal. And a worrying mix of hubris with a desperate need to prove himself. Later stories will lean into Hank’s overall instability and his discomfort in the superhero role. Reading this now, if you look for it, you can see subtle hints at what’s to come.

But in 1962, none of that is destiny yet.

This is simply a tight sci-fi cautionary tale. No costume. No codename. No Avengers. No sense that this character will become one of Marvel’s core figures.

And that’s what makes it fascinating.

It shows how early Marvel was still operating in monster-movie territory — horror, atomic paranoia, science-gone-wrong — before the superhero framework fully took hold.

For now, it’s just a man, a serum, and an ant.

Marvel in the 60s – Entry #3