Marvel Feature Vol. 1 Issue 4

"The Incredible Shrinking Doom! / The Beginning" – (20-page story) – Hank Pym and Peter Parker are working in Pym's lab when a gangster steps in and tells them to warn Dr. Curt Connors that he and his crew have kidnapped Connors' son and they want the new drug that Doctor Connors has been working on. Pym doesn't know Parkers' identity as Spider-Man but Hank's identity is public so they go off to stop the kidnappers and retrieve Connors' son. They can't tell Connors because any stress will turn him into the Lizard.