In fanfiction, Peter Parker's age can vary widely. Some fanfics might keep him at his traditional comic or movie age, like a teenager in high school, around 15 - 18 years old. This allows for stories centered around his high - school experiences, dealing with bullies, and his early days as Spider - Man.
One common theme could be the girls from Little Mix taking on different ages in a fictional setting, like going back to their childhood days. Maybe dealing with the challenges they faced then in a new light.
Another way Peter could be of help is with the setting. He could describe in detail how New York City (or wherever the story is set) looks during the Age of Ultron. With his knowledge of the city streets and rooftops, he could make the battle scenes more vivid and realistic.
I'm not sure about specific Little Mix age play fanfiction. But you can try searching on fanfiction platforms like Wattpad. There might be some creative and interesting stories there.
A common theme is role - reversal. Maybe a character who was once the bully becomes the bullied in an age - play scenario. It can also be about self - discovery. As they engage in age - play, they learn more about themselves and their true desires. This can be really engaging for readers as it adds depth to the characters we already know from Pretty Little Liars.
Peter could be a new recruit in the Avengers in the fanfiction. He'd bring his youthful energy and fresh perspective. His scientific knowledge, if it's Peter Parker, could assist in finding weaknesses in Ultron's plans.
It's not extremely popular in the mainstream sense. Since age - play is a rather specific and somewhat niche concept, the 'glee age play fanfiction' attracts a relatively small group of fans who are interested in this particular kind of creative exploration. Most of the general 'Glee' fan base might be more focused on traditional fanfiction that stays closer to the original themes and characterizations of the show.
He's often characterized as a wide - eyed newbie. He's in awe of the Avengers and their world. This makes him relatable as he's just a kid thrown into a big - league situation.
Well, in many Age of Ultron fanfictions featuring Peter Parker, he often brings a fresh perspective. His youth and inexperience contrast with the more seasoned Avengers. Sometimes he's used to add a bit of humor, like when he makes a clumsy mistake during a fight but then quickly recovers with his spider - like reflexes.