As requested by Spider-Man to save Aunt May, Dr. Connors ordered a special serum called ISO-36, but it was stolen by the Master Planner.
Spidey eventually managed to the grab the serum from the villain's underwater laboratory and successfully delivered it to the Forest Hills Hospital.
- 5 Appearances of ISO-36
- Minor Appearances of ISO-36
- 1 Media ISO-36 was Mentioned in
- 1 Images featuring ISO-36
- Item Gallery: ISO-36