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.
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.
In the fanfiction, Loki may have developed a sense of respect or even friendship for Tony. They are both very intelligent characters. Loki might admire Tony's ingenuity and courage. So when he realizes that Tony is in danger in Siberia, his new - found feelings for Tony drive him to save his life. Also, Loki might be bored with his usual villainous ways and wants to do something good for a change, and saving Tony seems like a good start.
In 'tony saves gibbs fanfiction', a frequent theme is probably the bond between the two characters. The act of saving is a way to strengthen or reaffirm that bond. There could also be themes of sacrifice, where Tony has to sacrifice something to save Gibbs, like putting himself in danger.
Another theme is the idea of family. They have a father - son like relationship in the Marvel universe. So when Peter saves Tony, it's like protecting a family member. It emphasizes the strong emotional bond between them, which is often explored in these fanfictions.
I'm not sure of specific 'tony saves gibbs fanfiction' off - hand. But you can try searching on fanfiction - dedicated websites like Archive of Our Own or FanFiction.net. Just type in the keywords 'tony saves gibbs' and you'll likely find a variety of stories.
I haven't actually read this specific fanfiction, so I can't summarize it directly. But generally, it might involve Peter using his powers, like his spider - sense and agility, to rescue Tony who could be in some sort of danger in Siberia. Maybe there are battles against villains or difficult situations that Peter has to overcome to save Tony.
There might be a new villain or a previously known enemy who has set a trap for Tony in Siberia. This antagonist could be a powerful figure with their own motives, like wanting to take over Stark Industries or gain access to Tony's Iron Man suits. Natasha would then have to face this antagonist to save Tony. They could have their own army or special powers that make the rescue mission more difficult for Natasha.
A common plot in Pepper Saves Tony fanfictions is that Pepper saves Tony from a health crisis. Tony is often depicted as pushing himself too hard, and it could lead to a serious health problem like a heart attack or extreme exhaustion. Pepper notices the signs early on and forces him to take a break and get proper medical treatment. Another idea is that Pepper saves Tony from a political conspiracy. Some powerful political figures might target Tony because of his influence, and Pepper uses her connections and wits to expose the conspiracy and protect Tony. There are also fanfictions where Pepper saves Tony's emotional well - being. After a traumatic event, like the loss of a friend, Tony is in a dark place, and Pepper is there to bring him back to the light.