Well, in many fanfictions, the Avengers protect Peter by always having his back in battles. For example, Captain America might shield him from incoming attacks with his iconic shield. They also offer him guidance. Tony Stark could be constantly giving him advice on how to improve his suit and combat skills.
One great Protective Peter Parker fanfiction is 'Spider's Shield'. In this story, Peter is extremely protective of his friends and family in the face of new threats in New York. Another is 'Peter's Protective Instincts Unleashed' which shows how he goes to great lengths to keep those he loves safe. There's also 'Protective Peter: The Guardian of Queens' that focuses on his local protectiveness in Queens.
In fanfiction, Protective Peter Parker is often very vigilant. He always has his spider - sense on alert for any potential danger to his loved ones. He's also quick to act, like a spider pouncing on its prey when he senses a threat. For example, he might immediately swing into action if he sees someone he cares about in a dangerous situation.
Because Peter is often portrayed as a young and inexperienced hero in fanfiction. He's like a little brother to the Avengers, so they feel a sense of responsibility to protect him.
Peter might always keep an eye on Lucy during battles in fanfiction. For example, he would position himself between her and any approaching enemies. He would also be quick to defend her if anyone questioned her actions or motives in the Narnia - related events.
There's also 'Protective Peter: Stiles' Shield'. It focuses on how Peter's past experiences shape his determination to keep Stiles safe. Peter sees a lot of his own vulnerability in Stiles and refuses to let the younger boy face the same hardships he did. It's filled with some intense action scenes where Peter shows his unwavering protection.
One common theme is loyalty. Peter's loyalty to Stiles drives his protective actions. He might not show it in the most conventional way, but he is always there for Stiles when it matters. For example, in many fanfictions, he will go against his own pack or other powerful entities to safeguard Stiles.
One common theme is mentorship. Bucky, with his more extensive experience, often takes on the role of mentoring Peter. Another theme is family - like bonds. They develop a connection similar to that of an older brother and a younger brother.