Well, there's the 'unexpected - attraction' trope. It could be that Spider - Man initially has no intention of being in a harem - like relationship, but the other characters' unique qualities draw him in. The 'rival - turned - ally - in - love' is also seen often, where a character who was once an enemy or rival becomes part of the harem. And then there's the 'group - mission - bonding' trope, where going on missions together as a group makes the relationships in the harem stronger.
Yes, there are some. You can search on fanfic platforms like Archive of Our Own. Filter the results for Spider - Man and harem - themed stories, and then look for ones that are rated as general or teen - appropriate to avoid lemon content.
Gwen Stacy is an obvious choice. In different universes, she has different relationships with Spider - Man. Another could be Mary Jane. She has always been an important part of Spider - Man's life. Black Cat might also be in the harem as she has a complex and flirtatious relationship with Spider - Man in the comics.
Harry Potter and Spider - Man are the central figures. In the harem, Ginny Weasley would be a great addition. She is brave and has her own history with Harry. On the Spider - Man side, Gwen Stacy could be part of the harem. Her scientific knowledge and her relationship with Spider - Man could create some interesting storylines. Additionally, Luna Lovegood could be in the harem too, with her unique and dreamy personality adding a different flavor to the relationships.
A Spider - Man PS4 harem story could involve different versions of female characters from the Spider - Man lore. Maybe there's an alternate - universe Gwen Stacy who has special powers and teams up with the regular Spider - Man. Along with her, there could be other female characters like Felicia Hardy, and together they form a unique group around Spider - Man, each bringing their own skills and personalities to the table.
The Spider - Man harem fanfiction usually has a focus on character development within the context of the harem. Each female character has her own backstory and motives for being part of Spider - Man's life. It also often plays with different interpretations of the Spider - Man universe, creating new scenarios and storylines that revolve around his harem. For instance, some might change the power dynamics between Spider - Man and the female characters, leading to unique and interesting plot twists.
A characteristic is often the exploration of different relationship dynamics. For instance, how Spider - Man manages to balance his superhero duties while dealing with the affections of multiple women. It can also involve a lot of comical situations, like the women competing for his attention or misunderstandings among them. Also, these stories may give more in - depth character development to the female characters as they interact with Spider - Man in new ways compared to the traditional stories.
One idea could be a story where Miles Morales has to team up with an alternate version of himself from a dimension where he never became Spider - Man. They have to overcome their differences and learn from each other to stop a new villain that is threatening all the spider - verse.
One idea could be that in a magical multiverse crossover, Harry Potter and Spider - Man end up in a world where a harem of characters from both universes exist. Maybe Harry uses his magic to help Spider - Man fight villains in this new world, and they both start to form relationships with the female characters in the harem.
It could be his mentor. In the fanfic, the mentor might think that Spider Man is becoming too powerful and is a threat to the balance of power. So, he could betray Spider Man by leaking his secret identity or setting him up to be captured by the authorities.