A possible love story for Loki in the Avengers could involve him falling for a fellow Asgardian who is sent to Midgard (Earth) to keep an eye on him. At first, Loki would be his usual devious self, but over time, he'd be drawn to her kindness and her ability to see good in him. They might have adventures together on Earth, facing off against the Avengers at times and other threats. Their love would be a struggle because of Loki's past actions and the distrust others have towards him.
Well, in the Avengers universe, Loki's character is complex. While he doesn't have a traditional 'love story' in the strictest sense within the Avengers movies. He is more focused on power and his own schemes. However, some fans might imagine a love story where he could potentially fall for a powerful Asgardian or even a human who challenges him intellectually and morally. This could be a very interesting concept as Loki is a character full of contradictions and a hidden depth of emotions.
In many such fanfics, the Avengers might find Loki through various means. Sometimes it could be intelligence they gather about the location where he is being tortured. For example, they might intercept a message from Loki's captors or notice some strange energy signatures that lead them to the place.
Thor would be a likely candidate. Since he is Loki's brother, he already has a connection with him. Thor might be the one to convince the other Avengers to give Loki a chance and be the first to reach out and try to befriend him in this new situation.
Future Loki might interact with the Avengers in a cautious way. He knows their past opinions of him and tries to prove himself. He could start by sharing small bits of useful information. For example, he might tell Iron Man about a weakness in a new enemy's technology.
There's a fanfic called 'The Loki - Avenger Alliance'. In this story, Loki is forced to team up with the Avengers due to a common threat from another dimension. It's full of action scenes and interesting dialogues between the characters, especially Loki's sarcastic remarks which are really in - character.
In Loki helps the Avengers fanfiction, his character development can be quite complex. At first, he may be reluctantly helping the Avengers due to some self - serving reason, like getting out of a worse situation or trying to prove something to himself or others. But as time goes on, he witnesses the Avengers' values up close. Their selflessness, courage, and determination might start to rub off on him. He could then actively choose to be a part of the team, not just for his own gain, but because he truly believes in their cause. His development might also involve learning about emotions like friendship and trust, which are new concepts for him, especially in the context of the Avengers.
In this fanfiction, Loki might interact most with Hulk. It would be an interesting dynamic as Loki is a master of manipulation and Hulk is, well, the Hulk. Loki could either try to use Hulk for his own purposes, which would be very dangerous, or he could end up on the wrong side of Hulk's anger. But at the same time, it could also lead to some unexpected moments of understanding or at least a begrudging respect between them.