When Spidey and Spin meet up with Black Panther in the park to plant trees, they unexpectedly run afoul of Green Goblin and his super stinky Goblin Gas! Gobby is spraying the awful fumes everywhere, causing all the people and animals to flee the park. Now the heroes must find a way to stop Green Goblin, get rid of the Goblin Gas, and make the park safe for everyone again – and plant those trees!