A sense of discovery is common too. Peter discovers more about the wider universe through Thor, and Thor discovers more about the modern Earth through Peter. And of course, there's the theme of heroism. They both are heroes in their own right, and in the fanfiction, they usually come together to do heroic deeds, whether it's saving a city, a planet, or the whole universe.
Teamwork is also a prevalent theme. Given their individual strengths, in fanfictions, they often have to work together to overcome obstacles. Thor's physical strength and Peter's quick thinking make for a great combination when they team up.
One common theme is friendship. Since they are from different backgrounds (Peter being a street - level hero and Thor being a god), their friendship development is often explored. For example, how they learn to trust and rely on each other.
One common theme is identity. Peter has to figure out who he is as Thor's son. Another theme is power. He has to learn to control and use the powers he inherits. Also, acceptance is a big theme. He needs to be accepted by the other characters in the story.
One common theme is friendship. Given their different backgrounds, seeing them form a bond is always interesting. For example, in many fanfictions, they start off not understanding each other but end up being great friends.
Team - up is a very common theme. Writers like to imagine how they would work together in a fight. Also, mentorship can be a theme. Thor, being much older and more experienced, could potentially mentor Peter in some aspects. And of course, there's the theme of friendship that develops between two very different individuals.
Common themes include cooperation. They have to work together to face threats that neither could handle alone. Another is the exploration of identity. Harry might question his place in the Asgardian world and Thor might do the same in the wizarding world. And the theme of heroism is always there. They both are heroes in their own right and in the fanfictions, they show what it means to be a hero in different and combined situations.
Love is a very common theme. Their relationship, whether it's the budding of their love or the challenges they face as a couple. Another theme is adventure, as they often go on quests together. And power, like how Thor's godly powers interact with Jane's scientific knowledge.
One common theme is friendship. Given that they are both part of the Avengers, many fanfictions explore how their different personalities can form a strong bond. Another theme is power. They both possess great power, and fanfictions often play with how they use or misuse their powers in different situations.
One common theme is empowerment. Female Thor often has to break through gender barriers in a male - dominated world. For example, in many stories, she has to prove herself to be as strong as the original Thor.
One common theme is adventure. The OC often joins Thor on his quests, whether it's fighting against villains in different realms or exploring uncharted territories. Another theme is self - discovery. The OC usually discovers new things about themselves through their interactions with Thor and the challenges they face.