A popular 'Avenger crossover fanfic' is the one that has the Avengers cross paths with the Fantastic Four. The scientific minds of the Fantastic Four and the combat skills of the Avengers blend well in this fanfic. There are cool battles and strategic planning as they deal with a new threat that requires both their unique abilities.
Teamwork is also a very common theme. In these crossovers, the characters have to learn to work together quickly. They come from different backgrounds and have different ways of doing things. In a 'Avenger crossover fanfic' where they cross with the Guardians of the Galaxy, the Avengers' more structured approach has to mesh with the Guardians' more free - wheeling style. This theme of finding common ground and working towards a common goal is often explored in great detail. It usually involves a lot of character development as they overcome their initial differences and start to trust and rely on each other.
One great 'Avenger fanfic' could be the one where Spider - Man has to team up with Doctor Strange to defeat a new magical villain in New York. It's exciting as it shows Spider - Man's quick - wittedness against Strange's powerful magic.
One great Avenger crossover fanfiction is 'Avengers and the Justice League'. It's really exciting as it imagines what would happen if the Avengers from the Marvel universe met the powerful heroes of the DC Justice League. The story is filled with epic battles and interesting character interactions, like Iron Man and Batman sizing each other up, and Thor and Superman having a friendly competition of strength.
One great Avenger x OC fanfic could be 'The New Recruit'. It's about an OC who has a unique power and joins the Avengers. The story focuses on how the OC interacts with the existing members like Tony Stark, with lots of witty banter and the OC gradually earning their respect. Another one might be 'OC's Hidden Talent' where the OC has a secret ability that becomes crucial in saving the world from a new threat. This fic often shows the OC's internal struggle with being different among the Avengers.
A really popular 'Avenger Civil War Crossover Fanfiction' is 'Crossing Paths in the Civil War'. It's about some unexpected crossovers during the Civil War. The story is exciting as it brings in new powers and personalities that disrupt and reshape the conflict. It has great character development and the action scenes are well - written, making it a must - read for fans of this genre.
Well, you can try searching on some popular fanfic platforms like Archive of Our Own. There are often a lot of such stories there. Just use the search term 'oc x hel avenger' and you might find some really interesting ones that suit your taste.
It could potentially be a great fanfic. It might bring together two very different fandoms in a creative and engaging manner. Imagine Harry getting involved with the Avengers to fight a common enemy that threatens both the wizarding world and the normal world. The fanfic could also delve into the relationships Harry forms with the Avengers, like a mentorship with Tony Stark or a friendship with Captain America, which would make it stand out.
It could be Captain America. He has a strong sense of justice and kindness. So, if he found a dog, he would surely take it under his wing and protect it. Maybe he'd even train the dog to be a mascot for the Avengers.
A popular one is 'Nero's Crossover Adventure'. This story takes Nero on an adventure where he meets characters from different franchises. The story is full of action and interesting character dynamics as Nero tries to find his way back home while dealing with the new challenges presented by the crossovers.
A great 'jumanji crossover fanfic' could be the one that has a crossover with 'Jurassic Park'. Imagine the 'Jumanji' characters in the dinosaur - filled world of 'Jurassic Park'. They would have to face not only the usual 'Jumanji' challenges but also the prehistoric beasts, which makes for a really action - packed and fun read.