First, study Jet's character from the original series. Notice his motives, his flaws, and his strengths. Then, think of an interesting concept. It could be a 'what if' scenario, like what if Jet joined the Avatar and his friends earlier. Next, create a plot outline with a beginning, middle, and end. Don't forget to add some conflict. For example, Jet might struggle with his old ways while trying to be part of the good guys.
Basically, a guy thought he won a jet in a Pepsi promotion, but Pepsi didn't honor it, leading to a whole saga. It's a tale of consumer expectations and corporate decisions.
First, know the characters well. Read up on their personalities, backstories, and relationships in the game. For example, understand that Gum is a strong - willed and creative skater. Then, come up with an interesting plot. It could be a story about the characters competing in a secret, high - stakes skating and tagging competition.