Another theme is redemption. Loki, with his past misdeeds, often finds a form of redemption through his relationship with Tony. Tony, in turn, may also find a new purpose or a more softened side to his personality. It's about two broken or flawed characters making each other better. For example, in many fics, Loki's magic and Tony's technology combine in interesting ways to solve problems, symbolizing their union.
One common theme is the clash of personalities. Loki is often seen as the mischievous and complex Asgardian, while Tony is the brilliant and sometimes egotistical human. Their interactions are full of sparks due to these differences.
One common theme is the exploration of their differences. Tony is a tech - savvy human, while Loki is a powerful Asgardian (sort of). Their different backgrounds lead to interesting interactions and conflicts.
One common theme is the 'opposites attract' concept. Loki, being a god from Asgard with his mischievous nature, and Tony, a brilliant human inventor. Their differences make for an interesting relationship.
One common theme is the struggle with identity. Both Loki and Tony have complex identities, and in soulmate fanfics, they often have to reconcile who they are with being soulmates. For example, Loki's status as a trickster god and Tony's playboy - genius - billionaire - philanthropist persona can create conflicts and also opportunities for growth in their relationship.
The theme of acceptance is also prevalent. They come from different worlds, literally. Asgard and Earth have very different cultures and values. But as soulmates, they have to accept each other's differences. This can be seen in how they interact with each other's friends and families in the fanfictions. For instance, Tony introducing Loki to the Avengers and Loki introducing Tony to his Asgardian allies.
Romance is also a prevalent theme. The idea of an unlikely pairing between female Loki and Tony makes for a very interesting romantic dynamic. It's about two very different characters falling in love, often against all odds.
One common theme is the 'opposites attract' concept. Tony is a tech - savvy human, while Loki is a powerful Asgardian with magic. Their differences create a lot of tension and attraction at the same time. Another theme is redemption. Often Loki has a journey of redemption, and Tony is somehow involved in that journey.
Another theme is the challenges they face, both internally and from the outside world. Society's reaction to such an unusual situation is often a part of these fanfictions. For example, how their friends and allies react to Tony's condition. And also, they have to deal with their own insecurities and fears. Loki might worry about being a good father, and Tony might be concerned about how this will affect his identity and his role in the world.
Love conquering all is also a big theme. Despite their differences and the potential obstacles in their way, like Loki's past actions or Tony's insecurities, they still manage to fall in love and get married. It's a celebration of love being stronger than any external factors.
One common theme is the contrast between their personalities. Loki is often mischievous and magical, while Tony is scientific and a bit of a know - it - all. So, there's a lot of fun in seeing how they clash and then come to understand each other.