Well, the plot could involve Nico using his powers from the Percy Jackson universe to help the Avengers in a battle. Maybe he could use his shadow - traveling ability to surprise enemies or transport the Avengers quickly. It would be really cool to see how he'd interact with the different personalities in the Avengers team, like Tony Stark's sarcasm or Captain America's leadership.
Nico would fit in by bringing his unique powers. His ability to control the dead could be a huge asset in battles. For example, he could raise an army of skeletons to fight alongside the Avengers. His shadow - traveling would also be great for quick getaways or surprise attacks.
Well, it could be about Nico Di Angelo using his underworld powers to help the Avengers in a battle against a powerful villain who has the ability to raise the dead. Maybe he teams up with Doctor Strange to close portals to the underworld that the villain is using to summon hordes of zombies.
One common theme is the clash of different power systems. Nico has his demigod powers and the Avengers have their own super - abilities. Another theme is about finding one's place in a new group. Nico is an outsider coming into the Avengers' world.
The storyline could involve Nico adjusting to life in the Avengers' compound. He might use his powers from the Percy Jackson universe in unique ways to help the Avengers in their battles. For example, his ability to control the dead could be used to gather intel from fallen enemies.
Well, Nico could use his powers to surprise the Avengers. Maybe his shadow - traveling ability would come in handy during a battle, like he could quickly transport himself and some Avengers to strategic locations.
Loki could be a great main antagonist. He might see Nico Di Angelo as a new plaything or a threat to his plans. Since Nico has powers related to the underworld, Loki could try to manipulate him or use his powers for his own evil schemes, which would put him in direct conflict with the Avengers.
One great 'Avengers Nico di Angelo fanfic' is 'The Demigod Among Heroes'. It has an interesting plot where Nico's powers blend in a unique way with the Avengers' world. Another one could be 'Nico and the Avengers: A New Alliance'. It shows how Nico's dark and mysterious nature creates some really cool interactions with the Avengers.
One possible plot could be that Nico somehow gets transported to the Harry Potter world. He might use his powers from the Percy Jackson universe, like shadow - traveling, to his advantage in the new magical world. Maybe he helps Harry and his friends in their fight against Voldemort by providing unique strategies based on his own experiences with battles in his own world.
Perhaps in the fanfiction, Nico gets the puppy as a gift from a mysterious figure. The puppy is a special breed that is only known in the demigod world. Nico has to learn how to take care of this unique puppy. He has to figure out what it eats, how to train it, and also how to protect it from the various dangers that lurk in his world.
Nico's powers could also bring a new element of mystery to the Avengers. His abilities are not like the typical superpowers the Avengers are used to. This could lead to new training regimens and strategies. The Avengers would need to figure out how to incorporate his powers into their existing battle plans. And Nico himself would have to learn how to work within the group's dynamics, which could be a bit of a struggle at first given the differences in their power sources and fighting styles.