Amazing Spider-Man (1963 1st Series) #327
"Cunning Attractions!" Acts of Vengeance crossover. Script by David Michelinie. Pencils by Erik Larsen. Inks by Al Gordon. Cover by Erik Larsen and Al Gordon.
The Amazing Spider-Man has new powers! But he's not sure where they came from...and what all he can do with them! To test his remarkable abilities, the wall-crawler visits an auto wrecking yard! However, smashing a few old cars is not enough! The amazing one needs a bigger challenge! Will the Master of Magnetism do? In unbelievable fashion the new and improved web-slinger clashes with Magneto over the skies of New York City! Has the web-spinner bitten off more than he can chew?