One great fanfiction idea could be Harry Osborn's internal struggle with his new - found powers in 'The Amazing Spider - Man 2'. He might be torn between using them for good, like Spider - Man, or for his own self - interests. For example, he could be constantly fighting the urge to use his powers to gain more control over Oscorp, while also being aware that Spider - Man's way of using powers is more noble.
A fanfiction could focus on Harry Osborn's life at school. He's rich and popular, but in this version, he's also secretly dealing with family issues related to his father's business. He could cross paths with Peter more often at school, and their interactions could be a mix of rivalry and a budding friendship.
I like the storylines where Harry tries to break free from the Goblin curse. It shows his internal struggle and his will to be a better person. It's a powerful concept that adds depth to his character.
There's a fanfiction where Harry Osborn teams up with Spider - Man to fight a new threat in the city. It's an action - packed story that really delves into Harry's character. He's not just the villain, but a complex person with his own motives and desires. It gives a fresh perspective on his role in the Amazing Spider - Man 2 universe.
The fanfiction could revolve around Harry Osborn trying to take over Oscorp in a different way. Instead of following his father's footsteps directly, he could use his powers to try and reform the company from within. He might face opposition from the board members and other villains who have their own plans for Oscorp. This would put Harry in a difficult position where he has to use his wits and powers to achieve his goals.
One idea is that Harry Osborn, jealous of Peter's popularity and heroics, decides to create his own alter - ego to compete with Spider - Man. But as he delves deeper into this new identity, he realizes that the world of superheroes is much more dangerous and complex than he thought, and he has to decide whether to continue or give it up.
One common theme is identity crisis. Harry has to deal with his dual identity as Harry Osborn and the Black Spider. Another theme is redemption. He often has to make up for things he did wrong in the past while being the Black Spider.
There's also 'Black Spider: Harry's Redemption'. In this fanfic, Harry Osborn as the Black Spider is on a journey to redeem himself for past mistakes. It has some really interesting character development and action scenes.