The story could develop from a misunderstanding. Sigyn is seen doing something strange on Earth, and the Avengers think she's up to no good. They try to stop her. But as they engage in a fight, they realize she's not as bad as they thought. Sigyn then explains her situation, perhaps she's looking for something that was lost on Earth. The Avengers offer to help her. Along the way, they encounter various enemies and Sigyn's unique powers and knowledge help them out. This leads to a deeper relationship between Sigyn and the Avengers as they continue their adventures together.
In some fanfictions, Sigyn might be brought to Earth by accident and the Avengers initially mistake her for a threat. But as they get to know her, they realize she can be a great ally. For example, she could have the ability to heal some of the Avengers' wounds that normal medicine can't. And she might also introduce them to some Asgardian technology or magic that they can use in their future battles.
In Avengers fanfiction, Loki and Sigyn can be depicted in various ways. One could have Sigyn as a force for Loki's redemption within the Avengers' universe. She might use her connection to Loki to try and sway him from his more villainous tendencies, adding an interesting dynamic to the Avengers' storylines.
Often, Loki is still portrayed as his complex self, full of trickery, but Sigyn can be the one to humanize him more in the Avengers fanfiction. For instance, she might show the other Avengers that there's more to Loki than just his villainous deeds.
Perhaps Thor could be involved too. He might accidentally bump into Sigyn after her haircut and be really surprised. His reaction could lead to some humorous or important interactions. For example, he could be so shocked that he says something silly, which then spreads around and becomes a topic of gossip among the other characters.
The Avengers might react in different ways. Steve Rogers would probably be polite but firm in getting to know Peter's boyfriend. He'd want to ensure that he was a good influence on Peter. Thor, on the other hand, might be a bit more boisterous. He could either be really friendly and enthusiastic, or his loud and powerful presence might accidentally scare the boyfriend a bit.
I think 'avengers meet the seven fanfiction' might be a fan - created story where the Avengers and the Seven cross paths. It could explore things like cultural differences between the two groups if they are from different fictional settings. For example, the Avengers' values from the Marvel world and whatever values the Seven hold. It might also show how their different abilities work together or against each other in various scenarios like a big battle or a mission to save a world that is in danger due to some common enemy.
Well, in this 'avengers meet frigga fanfiction', it could center around Frigga using her magic to help the Avengers in some way. She might be a key to solving a mystery that the Avengers are facing. For example, she could have knowledge about an ancient artifact that the bad guys are after, and she teams up with the Avengers to keep it safe. Also, there could be some emotional moments as the Avengers, who have lost so much, find a mother - like figure in Frigga.
One great Loki and Sigyn fanfiction is 'A Bond Beyond Worlds'. It beautifully portrays their relationship, with Sigyn's unwavering loyalty to Loki. The story delves deep into their emotional connection, showing how they support each other through various challenges in the mythological realm. The vivid descriptions of the settings and the complex characterizations make it a must - read for any fan of the pair.
In such a fanfiction, Peter could show off his unique skills to the Avengers. Maybe he'd surprise them with his agility and quick thinking. For example, in a battle scenario, he could use his web - slinging abilities to outmaneuver enemies that the Avengers are having trouble with.