Marvel Comics Spider-Man
Marvel Comics Spider-Man Sins of the Fathers, Chapter 13: Goblin War!
S3 E13:
The Green Goblin and the Hobgoblin clash over Dr. Ohn's Time Dilation Accelerator. Peter and Mary Jane are celebrating Felicia Hardy's engagement to Jason Macendale when it is revealed that Macendale is the Hobgoblin. In the end, the Green Goblin gets his hands on the portal technology.