What are some interesting plot ideas for 'alien first contact fanfic'?

One idea could be an alien with unique telepathic abilities forming a deep bond with a human. The alien might be on a secret mission on Earth and the human gets accidentally involved. They start to understand each other's cultures and values, leading to a friendship that defies the differences between their species.

One idea could be exploring Alien X's internal conflict between Bellicus and Serena in a new situation. For example, when faced with a moral dilemma on a planet where two species are at war and both have valid reasons for their actions. Another plot could be Alien X having to deal with a powerful new enemy that can somehow disrupt his omnipotent powers. Maybe this enemy has the ability to split Bellicus and Serena's consciousness further, causing chaos within Alien X.

One idea could be that Ben has to adapt to the daily life of the alien he's stuck as. For example, if he's stuck as a Four Arms, he has to deal with constantly breaking things because of his size and strength. Another could be that he has to find a way to communicate with his friends and family in his alien form, which might be difficult if the alien has a different language or way of expressing itself.

A plot could involve a group of humans who are caught in the middle of a war between Predators and Aliens. They form an alliance with a rogue Predator who has his own reasons for wanting to stop the fighting. Maybe there's a powerful Alien queen that the Predators are desperate to kill, and the humans get dragged into that mission.

One idea could be that a Jedi crashes on Earth and has to hide their powers while trying to find a way back to the Star Wars galaxy. Another could be that a group of Sith arrive on Earth with the intention of enslaving the planet for its resources. Or perhaps the Galactic Republic discovers Earth and tries to initiate diplomatic relations but faces cultural misunderstandings.

A plot could revolve around a diplomatic mission during the First Contact War. Maybe a group tries to broker peace but faces many obstacles from both sides' extremists. This could explore the complex politics and cultural misunderstandings that fuel the war.

One interesting idea could be how Harry adapts to the alien culture. Maybe he has to learn new languages or customs that are completely different from what he's used to on Earth.

One idea could be exploring the origin of Alien X's powers. Maybe there was an ancient alien race that bestowed these powers and the story could delve into that backstory.

There are many! Like the first encounter scene where the aliens' appearance is revealed in a really cool way.

One idea could be that Amanda discovers a way to communicate with the Alien on a basic level. Maybe she uses her engineering skills to create a device that emits frequencies the Alien can understand. Another could be that Amanda and the Alien form an unlikely alliance against a common enemy, like a group of rogue Weyland - Yutani employees who have their own malicious plans for the Alien.