One plot idea could be that Jack discovers his new wings in a moment of danger. Maybe during a battle against the Decepticons, some sort of energy surge activates a latent ability in him and the wings suddenly sprout. This new ability gives him an edge in combat, allowing him to fly and perform aerial maneuvers that catch the enemies off - guard.
In the fanfiction, Jack's tail might be a part of a genetic experiment gone wrong. He wakes up one day and finds this tail. It causes him a lot of trouble at first, like getting caught on things. But then he realizes that it can be used as an extra limb in combat situations. He trains with the Autobots to master the use of his tail, and it becomes a secret weapon that the Decepticons are not expecting.
One possibility in this fanfiction could be that Jack's powers allow him to communicate telepathically with the Transformers. This would give him an edge in battles as he could quickly convey strategies without the need for words. Maybe his powers also include enhanced physical strength, enabling him to hold his own against smaller Decepticons. It could be a really interesting twist to his character, making him more than just a human ally but a powerful force on his own.
Well, in such a fanfiction, perhaps Jack discovers an ancient relic that bestows upon him the power of a Prime. He then has to learn to control this newfound power while facing off against old enemies of the Autobots. Maybe he teams up with Optimus Prime and the others, using his unique human perspective to come up with strategies that the Autobots hadn't considered before.
Jack having wings could lead to some envy among the Autobots, especially if he masters flying quickly. Some Autobots might feel that a human having such a cool ability is unfair. This could cause a bit of tension in their relationship at first, but they would likely come to accept it over time as Jack uses his wings for the greater good.
One idea could be to write about how the other Autobots react to Jack being hurt. For example, Arcee might become extremely protective and vow to find whoever or whatever caused the harm. She could go on a solo mission to seek revenge while the other Autobots try to keep Jack stable and safe at their base.
It could also be that Arcee is injured herself and in a state of confusion and pain. Her sensors might be malfunctioning, and she mistakes Jack for an enemy. Jack, being the brave human he is, tries to help her but she lashes out at him in her disoriented state.
One idea could be that the Autobots immediately launch a rescue mission. They use their advanced tracking systems to find Jack. Maybe Ratchet has some new tech that can detect Jack's unique human energy signature. They face many challenges on the way, like Decepticon traps.
One plot idea could be Jack and Miko getting lost in an uncharted part of Cybertron. They have to rely on each other's skills, Jack's strategic thinking and Miko's boldness, to find their way back. Another could be a situation where they accidentally switch bodies due to some alien technology malfunction. This would lead to humorous and also challenging situations as they try to adapt to each other's lives while in the wrong bodies.
Well, it could be about Jack initially being scared of the Dinobot due to its large and intimidating form. But as the story progresses, he discovers the Dinobot's noble nature. Maybe they team up to fight some common enemy in the Transformers Prime universe.
One possible plot could be that Diobot is on a mission related to some ancient Cybertronian technology hidden on Earth. Jack accidentally discovers Diobot's presence. At first, there's tension because Jack is unsure if Diobot is a friend or foe. But as they talk, they realize they both have an interest in keeping the technology out of the wrong hands, like the Decepticons.