Avengers (1963 1st Series) #140

"A Journey to the Center of the Ant" Part 2 of 2. Script by Steve Englehart. Pencils by George Tuska. Inks by Vince Colletta. Cover by Gil Kane and Mike Esposito.

Yellowjacket has collapsed on the street outside the hospital following last issue's battle! And now his body is growing with every passing second. Fortunately though, the Beast has a plan to save Hank Pym...