I always see people comment on Ditko’s “slim” Spider-Man. That may have been true in the very early days, but even during his first year he started getting bulkier and more powerful-looking with every passing issue.
Amazing Spider-Man (Vol. 1) #27
Published: c. June, 1965?
Cover Date: August, 1965
“Bring Back My Goblin to Me!”
Plot: Steve Ditko
Script: Stan Lee
Artist: Steve Ditko
Inker: Steve Ditko
Letterer: Artie Simek