Amazing Spider-Man #312 (1989)

The Goblin War!

With his family in danger, Harry Osborne becomes the Green Goblin once again for the first time since Amazing Spider-Man 180 to challenge the Hobgoblin! The pumpkin bombs fly as these deadly Goblins clash! And naturally your friendly neighborhood Spider-Man is caught in the middle! Written by David Michelinie. Art & cover by Todd McFarlane.

Key book; the battle of Green Goblin vs. Hobgoblin. Near mint condition.