Well, perhaps there's a plot where an alien force targets Peter specifically because of his connection to Tony Stark. Hulk senses the danger and decides to protect Peter. They end up on a wild adventure across different dimensions as they try to escape the aliens and find a way to defeat them. Along the way, Hulk teaches Peter some new ways to use his strength and instincts in combat.
One idea could be that Peter gets into a situation where he's facing a powerful new villain that his usual powers can't handle. Hulk steps in, using his brute strength to fend off the attacks while Peter tries to figure out the villain's weakness. Another plot could involve Peter being in a dangerous location, like a collapsing building, and Hulk arrives just in time to shield him and then help him rescue others trapped there.
A possible plot is that Peter is framed for a crime he didn't commit. The public turns against him and some vigilantes start to hunt him. Hulk, who has a soft spot for the young hero, takes it upon himself to protect Peter. They hide out in an abandoned warehouse. While there, Hulk helps Peter train to better defend himself and they also work together to find evidence to clear Peter's name.
A plot could revolve around a scientific experiment gone wrong that affects only them. They start to lose control of their powers in different ways. Hulk might become too calm and lose his rage - fueled strength, while She - Hulk might turn into her human form at the wrong times. They have to work together to reverse the effects of the experiment, all while dealing with the problems that come with their power - changing states.
One idea could be that they team up to face a new super - villain who is immune to normal Hulk - like strength. So, they have to combine their smarts and unique Hulk - related abilities in a new way. Another could be a story where they explore their family connection in a more in - depth way, like dealing with the implications of being related Hulks in a world that still doesn't fully understand them.
A possible plot is that Mei is kidnapped by a rival nation in an attempt to gain information about her village's defenses. Naruto embarks on a solo mission to rescue her. Along the way, he has to face various traps and enemies. When he finally reaches Mei, he has to protect her from the captors who are trying to kill them both to cover up their crime. Naruto uses his Sage Mode to overpower the enemies while shielding Mei from harm.
In a fanfiction, Naruto could protect the Kyuubi when a new, unknown enemy emerges from a different dimension. This enemy has the ability to separate Naruto from the Kyuubi, which would be disastrous. Naruto has to not only fight this enemy physically but also strengthen his mental bond with the Kyuubi to prevent such a separation. He might also have to seek help from old friends and mentors, and together they form a shield around the Kyuubi to keep it safe.
One plot idea could be that in a new, dangerous mission, Naruto is constantly by Sakura's side, shielding her from attacks with his quick reflexes. Another could be Naruto using his newfound jutsu to create a protective barrier around Sakura when she's in a vulnerable situation during a battle against a powerful enemy. And perhaps Naruto fakes his own death to draw out an enemy who has been targeting Sakura, and then reveals himself at the last moment to save her.
In a fanfiction, Sakura could be kidnapped by a group of rogue ninjas who want to use her medical skills for their own evil purposes. Kakashi gets wind of it and embarks on a solo rescue mission. Along the way, he has to fight through various traps and enemies. When he finally reaches Sakura, he has to protect her from the final boss - like rogue ninja while also helping her regain her confidence after being held captive.
One idea could be that the reborn character has to deal with the Hulk's uncontrollable rage in a new way. Maybe they have some special ability from their rebirth that can calm the Hulk down. For example, they can communicate with the Hulk on a deeper level, like understanding his fears that fuel the rage. Another plot idea is that the reborn character uses the Hulk's strength to protect a world that is different from the original Hulk's universe. They might face new enemies and challenges that require both the Hulk's brute force and the character's unique knowledge from their past life.
Another plot could be that Tony creates a device that can transfer intelligence. He accidentally transfers some of his own intelligence into Hulk. This causes Hulk to become more intelligent and he starts to question his own existence and role in the world. Together, they embark on a journey to find a way to reverse the process while also learning a great deal about each other.
One plot idea could be that in a world where dark forces are targeting Hermione for her intelligence and her role in the fight against Voldemort. Snape, due to his complex relationship with the Order of the Phoenix, and Lucius, perhaps having a change of heart after seeing the true brutality of Voldemort's regime, team up to protect her. They could hide her in an old, magically protected manor that has been in Lucius's family for generations. Snape uses his skills in potions to create protective elixirs for her, while Lucius uses his knowledge of dark magic to set up wards that only they can pass through.
Well, a possible plot is that Sasuke discovers a conspiracy against Sakura's pregnancy. Some mysterious group might be planning to use her unborn child for some dark purpose. So, Sasuke has to use his skills and intelligence to uncover the conspiracy and protect his family. Or perhaps, Sasuke has to deal with the internal politics of their village while protecting Sakura. The village elders might have different opinions on Sakura's pregnancy and Sasuke has to stand up for his family.