A short time later, he concocted a gas Pumpkin Bomb to prevent Spider-Man's Sense from working.
Goblin also used the Pumpkin Bombs as stunners, as well as a special anti-Spider-Man explosive.
He later used another gas Pumpkin Bomb against Spidey, emitting vapors that made Spider-Man's head begin to spin. He also threw some Pumpkin Bombs at him to keep him off-balance, in order to safely escape on his Goblin Glider.
During their next fight, the Green Goblin used some glue bombs to stun Spidey, and then hurled him a new kind of Pumpkin Bomb: one that soaked through his costume, and took away Spider-Man's ability to adhere to any surface.
A Pumpkin Bomb was later used by Hobgoblin to blow up a building in Brooklyn where he was hiding a numer of previously abducted children and parents.
A box of unused Pumpkin Bombs were later found by Spider-Man in the abandoned Osborn Industries building.
Hobgoblin used several Pumpkin Bombs against the Scarlet Spider to collapse the whole ceiling and bury him underneath.
He also hurled a Pumpkin Bomb against Kaine, who was eventually saved by the Scarlet Spider.
Some Pumpkin Bombs were left behind by the Green Goblin to leave no witnesses. He later threw a pumpkin bomb to let Spider-Man and Aunt May escape his mansion in Upstate New York.
When the Green Goblin was finally defeated by Spider-Man, one last Pumpkin Bomb, more powerful than ever before, detonated just below the Daily Bugle Building.
When Norman bonded with Carnage symbiote, he was capable of creating bombs augmented with symbiote biomass - letting him speak through them. These Carnage-Bombs didn't set off Spider-Man's Spider-Sense, and could bite into targets with their fanged jaws.