When an experiment goes wrong, Otto Octavius gains control of his robotic arms and decides to take over an atomic facility, but Spider-Man stops him.
Printed: July 1963
Writers: Stan Lee
Art: Steve Ditko
Cover: Steve Ditko
- Cover detached
- Various damage along spine
- 1st appearance, cover and origin of Dr. Octopus
- Debut of the 'Spider's Web' fan letters section
- An editing error has Doctor Octopus mistakenly refer to Spider-Man as Super-Man
