One scenario could be that the Warrior 3 get stranded on Earth and the Avengers offer their help. During this time, they exchange stories about their respective worlds and adventures. Thor could play a key role in bridging the gap between the two groups as he has connections to both the Avengers and his Asgardian comrades, the Warrior 3.
Well, perhaps the Avengers and the Warrior 3 could team up to fight a common enemy. They might combine their unique powers and skills.
Obviously, the Avengers members like Iron Man, Captain America, etc. And the Warrior 3 which include Fandral, Hogun and Volstagg.
She might bring her unique skills. For example, her hacking abilities could be very useful for the Avengers in gathering intelligence. Maybe she would also form a special bond with some of the existing Avengers, like Natasha Romanoff. They could train together and share their combat experiences.
Well, in this fanfiction, there could be some really cool battles. Maybe Negi from Negima could use his magic against the Avengers' superpowers. For example, his lightning magic against Thor's thunder powers. It would be an interesting clash of different power systems.
If Loki becomes an Avenger in fanfiction, it would be a wild ride. He'd bring his complex personality to the team. His relationship with Thor would also be an interesting aspect. They could have brotherly moments within the team dynamic. Loki might also start to develop real friendships with the other Avengers, which would be a big change for him.
Well, he could bring his unique water - controlling abilities to the Avengers. Maybe he'd be the one to put out the fires during big battles in the city. He might also form an interesting friendship with Thor, since they both have some connection to powerful elements.
Well, he'd probably bring his magic skills to the Avengers. He could use spells like Expelliarmus to disarm villains quickly. His broomstick flying skills might also come in handy for getting around in a hurry or for some unique battle maneuvers.
Thor would be the most likely. Since Thor has a connection to Norse mythology already, he would be familiar with Sleipnir. He might see Sleipnir as a symbol of his home realm and would quickly bond with it. They could communicate in a way that the other Avengers can't, sharing stories of Asgard and the great battles there.
In an 'Avengers meet Hela' fanfiction, there could be an epic battle. The Avengers, with their diverse powers, would face off against Hela, the powerful Asgardian goddess. Iron Man might use his high - tech suits to try and fend off her attacks, while Thor could be conflicted, as she is related to him. Captain America would lead the team with his strategic mind, and they might eventually find a way to either defeat Hela or come to some sort of truce.
In an 'Avengers meet Mobius' fanfiction, they could team up. Mobius might use his understanding of different timelines to help the Avengers prevent a major catastrophe that involves multiple universes. They could combine their powers and skills. Iron Man could work with Mobius to create new technology based on multiverse concepts.
In an 'Avengers meet Robin' fanfiction, it might start with Robin somehow ending up in the Avengers' world. He could be a bit of an outsider, but his courage and quick thinking would soon earn their respect. The Avengers could offer to train Robin in new ways, and in return, Robin could offer his street - smart knowledge. They might go on a joint mission where Robin's ability to blend in unnoticed becomes a huge asset.