One common theme is family loyalty. The sister often stands by Peter no matter what, like in many fictions where she helps him keep his Spider - Man identity a secret from others. It shows the strong bond between siblings.
Self - discovery is also a theme. The sister may be on a journey to find out who she is in the context of having a superhero brother. She might struggle with feelings of inadequacy at first but then find her own strength and purpose within the story.
Well, the theme of identity is very common. The sister might struggle with her own identity in relation to Peter's as Spider - Man. Is she just the twin sister, or does she have her own role to play? Another common theme is protection. She may feel the need to protect Peter from the dangers of his superhero life, or vice versa. And of course, the theme of friendship also pops up. The sister forms her own friendships within the superhero world, which adds more depth to the story.
Another theme is the struggle between normal life and superhero life. Peter has to deal with school, homework, and teenage problems while also being Spider - Man. Fanfictions often show how he manages to juggle these two very different aspects of his existence.
One common trope is the over - protective Peter. He's always worried about his sister getting involved in his dangerous superhero life. For example, in many fics, he'll try to keep her away from any situation that might put her in harm's way.
Well, a common theme might be self - destruction. Smoking is not a healthy habit, and in fanfiction, it could be used to show Peter Parker on a path of self - harm, maybe because he's feeling guilty about something or is overwhelmed. Also, it could be a theme of identity crisis. He smokes as a way to distance himself from the 'perfect' Peter Parker that others expect him to be.
One common theme is Peter using his gymnastics skills in his superhero activities. His acrobatic abilities from gymnastics help him in fighting crime in a more agile way. Another theme could be his training in gymnastics being a form of stress relief from his double life as Spider - Man.
Peter's relationship with his aunt May can also be a source of humor. Maybe she catches him doing something really silly related to his Spider - Man stuff, and the way she reacts is funny. Also, his encounters with villains can be humorous. Instead of the typical serious battles, in funny fanfiction, the villains might be portrayed in a more comical way, like having really strange or over - the - top personalities that Peter has to deal with in a funny manner.
One common theme is his relationship with other characters in the Spider - Man universe, like his interactions with Tony Stark or Ned Leeds while being in a 'bottom' role. It often explores the more vulnerable and emotional side of Peter.
One common theme is self - discovery. As Peter is a transgirl, she has to figure out who she really is and come to terms with her identity. Another theme is acceptance, both self - acceptance and acceptance from others like her friends and family. There's also the theme of balancing her new identity with her superhero life. How can she be Spider - Man while also being true to herself as a transgirl? And often, there's a theme of facing discrimination or misunderstanding in society due to her being transgender and a superhero at the same time.
Another theme is the use of Peter's scientific knowledge. Since he's a genius, in these fanfictions, he often uses his knowledge to innovate in his business as a CEO and also to create new gadgets for his superhero activities. For example, he might develop new web - shooter designs in his company's lab.
One common theme is identity crisis. Peter has to deal with being both Peter Parker and Spider - Man, and dissociation often makes this divide even more pronounced. Another theme is isolation. As he dissociates, he may feel more alone in his struggles.