An interesting plot could involve an OC who has the power to communicate with animals. In the story, they use this power to gather intel on the villains' plans. The animals could provide information that the Avengers wouldn't be able to get otherwise, like the location of a hidden lair or the movements of enemy troops.
Well, you could write a fanfiction where the Next Avengers: Heroes of Tomorrow have to deal with the public's perception of them. They are young and new, and not everyone trusts them. They could struggle with proving themselves worthy of the Avengers name. Maybe there's a media smear campaign against them, and they have to find a way to clear their names and gain the public's trust. This could involve them doing heroic deeds that are initially misinterpreted, and they have to work hard to set the record straight.
Perhaps there's a situation where the heroes of tomorrow are suddenly stripped of their powers. They then have to rely on their wits, training, and teamwork more than ever. They find out that an old enemy from the original Avengers' past has developed a technology that can nullify superpowers. Now they have to figure out how to get their powers back and stop this enemy before it's too late.
In the 'The Next Avengers: Heroes of Tomorrow Fanfiction', it could also be about the relationships between the new Avengers. They come from different backgrounds and have different personalities. There could be some internal conflicts at first. But as they face challenges together, they learn to work as a team. Maybe there is a love story between two of the young heroes that develops as they fight side by side, which also adds an interesting element to the overall story.
Give your OC a distinct personality. For example, make them really sarcastic or overly optimistic. This will make them stand out from the other characters. Also, a unique appearance helps, like having bright purple hair or a cool cybernetic arm.
It could involve the next - generation heroes facing a new and powerful villain that the original Avengers couldn't defeat. Maybe they have to use new powers or technology.
One idea could be exploring the Next Avengers facing a new, powerful villain from another dimension. This villain could have unique powers that the young heroes have never encountered before, forcing them to quickly adapt and learn new strategies.
One common theme is Loki's redemption. In many fanfictions, Loki tries to atone for his past misdeeds within the context of the Next Avengers world. Another theme is his relationship with the new generation of heroes. It could be a mentor - mentee relationship or a more complex, conflict - ridden interaction.
James, the son of Captain America, is often a popular character. His connection to such an iconic hero gives him a lot of potential for interesting storylines. Torunn, the daughter of Thor, is also quite popular. Her god - like powers and her struggle to live up to her father's legacy are appealing. And then there's Hawkeye's son, who has his own set of skills and the charm that comes with the Hawkeye name.
It could be some new characters with unique powers. Maybe a character who has the power to control elements but is still learning how to master it. Another could be a super - strong character who is a bit of a hothead and has to learn to control their temper in order to be a good team player in the 'The Next Avengers: Heroes of Tomorrow Fanfiction'.
Another plot could involve the next - generation Avengers having to prove themselves to the world. The public is skeptical of them at first, thinking they can't live up to their parents' legacies. So they take on a mission to save a major city from a powerful alien invasion, and in the process, they gain the public's trust.