It could involve different timelines of the Avengers coming together. Maybe the Avengers from the original team meet their counterparts from an alternate universe where things like Tony Stark never became Iron Man in a different way. They have to team up to fight a common enemy that threatens all the universes.
Well, it might be about a situation where the Avengers cross over into a world where they are all ordinary humans. They have to figure out how to regain their powers and save both that world and their own. This could lead to some really interesting character development as they adapt to being powerless at first and then slowly discover their true potential again.
The plot could involve a time - travel aspect. The new Avengers accidentally get sent back in time and interact with the original Avengers. This would create some interesting scenarios where they learn from each other. They could also bring back some knowledge or technology from the past to help them in their fight against a future threat that has been plaguing their time.
One possible plot could be the young Avengers traveling back in time to prevent a major disaster that led to the downfall of the original Avengers. They might have to face challenges like not changing the timeline too much while still achieving their goal. For example, they could go back to a time when a powerful villain first got their hands on a dangerous weapon. They'd need to outwit this villain in the past without causing new problems for the future.
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.
A really interesting plot could be a time - traveling crossover. Supergirl goes back in time to the era of the original Avengers. She helps them in a battle that changes the course of history. In return, the Avengers help her find a way back to her own universe. During this time, she forms a special bond with Thor, as they both have superhuman strength and a connection to otherworldly powers.
One possible plot could be that the Master Chief is somehow transported to the Avengers' universe. He teams up with Iron Man to stop a new threat that combines Covenant and Hydra technology. Their combined skills in combat and technology would make for an exciting adventure.
One possible plot could be that Superman is somehow transported to the Marvel universe where the Avengers operate. He initially clashes with them due to misunderstandings. For example, his super strength might be seen as a threat. But then they realize they can team up to fight a common enemy, like a powerful alien or a super - villain who has the ability to manipulate time. They combine Superman's powers such as heat vision and flight with the Avengers' diverse skills like Iron Man's technology and Captain America's leadership to save both universes.
The plot might involve a villain who has the ability to control both technology and Pokemon. The Avengers are called in because their experience with high - tech threats is needed. They meet up with Pokemon like Charizard, who can fly them around and provide firepower. Meanwhile, Pokemon trainers teach the Avengers about the different types of Pokemon and how to use their strengths. For instance, Black Widow could be paired with an Eevee that evolves into Sylveon and uses its fairy - type moves to help in battles. Together, they work to stop the villain from taking over both the Pokemon world and potentially other dimensions.
One possible plot could be that Superman is somehow transported to the Marvel universe. He might initially be seen as a threat by the Avengers. But then they realize he's there to help against a common enemy, like a powerful cosmic villain. They would team up, with Superman's super strength and flight abilities complementing the Avengers' various skills.
A plot could involve the Avengers trying to understand the concept of alchemy. Maybe Tony Stark becomes really interested in it and tries to incorporate it into his tech. Meanwhile, the Fullmetal Alchemist characters are in awe of the high - tech world of the Avengers. They could end up sharing knowledge and skills to take on a powerful foe that neither could defeat alone. For example, a powerful demon from the Fullmetal Alchemist world that has found a way to use advanced weaponry from the Avengers' world.
A cool plot might be that the Tailed Beasts in the Naruto world are being targeted by an unknown force from the Marvel universe. The Avengers, thinking it could lead to a greater threat to both universes, come to help. Naruto and the Avengers have to work together to protect the Tailed Beasts. Hulk could have an interesting interaction with the Tailed Beasts, perhaps learning from them how to better control his rage, while the ninjas are amazed by Thor's lightning powers and try to incorporate some of that into their own jutsu.