In some fanfictions, Bernardo could be falsely accused of a crime and is about to be punished severely. Tony, believing in his innocence, goes on a mission to prove his innocence and save him from the unjust punishment. Along the way, they might have to face many obstacles, such as corrupt officials or people who want to keep Bernardo locked up. Their journey to clear Bernardo's name could be filled with action, drama, and also some emotional moments as they learn more about each other.
One possible plotline could be that Bernardo gets into a dangerous situation, like being trapped in a burning building, and Tony risks his life to save him. Maybe there's a feud between their groups, but Tony's sense of justice or his personal feelings for Bernardo override that.
Perhaps Bernardo is in a fight against some powerful enemies and is outnumbered. Tony, who has some special skills or knowledge, arrives just in time to rescue Bernardo. This could lead to a change in their relationship, from being rivals to becoming friends or allies. For example, they might start to work together to take on the common enemies that Bernardo was facing.
I'm not sure which specific 'tony saves bernardo fanfiction' is available. You could try searching on popular fanfiction websites like Archive of Our Own. They usually have a wide range of fan - created stories.
One possible plotline could be Tony as a panther facing off against some kind of threat to his territory. Maybe there are other supernatural creatures trying to encroach on his space.
A possible plotline could be that Tayuya is captured by an evil organization, and Naruto goes on a solo mission to save her. He uses his stealth skills to infiltrate the enemy base.
It could be that a powerful sorcerer in the Avengers' world goes rogue and starts using dark magic. The Avengers don't know how to handle magic, so Harry is called in. He has to face this rogue sorcerer, using his own brand of light magic. Along the way, he might have some clashes with the Avengers' way of doing things, but in the end, they all work together and Harry manages to save the day by defeating the rogue sorcerer and restoring peace in the Avengers' world.
Perhaps Medusa has some crucial information that Percy needs to save the world, and in order to get that information, he has to protect her from other threats. So he embarks on a journey to keep her safe.
The OC could be a wandering ninja who stumbles upon the situation where Kushina is in danger. Maybe they are initially just passing through, but their sense of justice compels them to step in and save her. Then, they might get involved in the larger Naruto world events as a result of this encounter. They could also form a bond with Kushina, which could lead to different relationships with other characters like Minato or Naruto in the future.
Perhaps Artemis gets lost in a strange dimension that is similar to Naruto's world. Naruto discovers her there and has to protect her from the dangerous creatures in that dimension. He uses his skills and knowledge of the area to lead her to safety. Along the way, they might form an unlikely friendship or even more, depending on the nature of the fanfiction.
One possible plotline could be that Mantis and Tony meet during a battle and Mantis uses her empathic abilities to understand Tony better than anyone else. This could lead to a deep friendship or even a romantic relationship.
It could be that Tony is under some sort of mind - control or influence that makes him cheat on Pepper. Then the story might focus on Pepper's journey to break the control over Tony and save their relationship.
Maybe in some 'wanda hurts tony fanfiction', it's more of an emotional hurt. Wanda could accidentally reveal some of Tony's deepest secrets or traumas, causing him mental anguish. This could lead to a rift between them and the other Avengers having to deal with the fallout.