One common theme could be Batman's struggle with inner anger. For example, he might be angry at the criminals who keep escaping justice. Another theme could be his anger towards the corruption in Gotham that he's constantly fighting against. And sometimes, his anger might be directed at his own limitations, like when he fails to save someone.
Often, a theme is Naruto's anger at the shinobi system. He might be frustrated with the way it treats the weak or how it forces ninjas into dangerous situations without proper care. In some fanfictions, Naruto could be angry about the discrimination within the village, such as how some treated him as a jinchuriki. His anger then drives him to try and change the system.
Power struggle can also be a theme. If Sakura is in a situation where she has to compete with others or fight against a powerful enemy, her anger could fuel her determination to gain more power or assert her position. This could lead to intense battles or political maneuvering within the fanfiction.
In many 'angry birds fanfiction', the theme of discovery is present. The birds might discover new lands or powers. Also, family is a theme. Some stories explore if the birds have families or how they create a family - like - unit among themselves. There's also the theme of heroism. Each bird can be seen as a hero in different ways in these stories.
One common theme is justice. When Harry is angry, it's often because he sees an injustice, like discrimination against certain groups in the wizarding world. Another theme could be protection. His anger might be triggered by a threat to his friends or Hogwarts, and he becomes determined to protect them. Also, self - discovery can be a theme. Through his anger, he might learn more about his own limits and capabilities.
One common theme is revenge. Since Harry is angry, he often seeks revenge against those who have wronged him or his loved ones. Another theme is self - discovery. His anger makes him question his own identity and values. For example, in many fics, he might wonder if he's becoming too much like the dark wizards he fought against because of his anger.
One common theme could be Spider - Man's frustration with the media's misrepresentation of him. In some fanfictions, he might be angry about how the press twists his actions. Another theme could be his anger towards villains who target his loved ones. For example, if a villain goes after Mary Jane, Spider - Man would be enraged and his actions in the fanfiction would be driven by this anger. Also, it could be about his internal struggle with the responsibilities of being Spider - Man, which makes him angry at times as he has to sacrifice so much of his normal life.
Often, the theme of power corruption can be seen. Naruto might gain too much power too quickly and it starts to corrupt him, making him dark and angry. He could lash out at those he once considered friends because he no longer sees the world in the same way. His anger could be directed at the ninja world in general for its never - ending cycle of violence and hatred that he has now become a part of in a more negative way.
One common theme is misinformation. Often in these fanfictions, the angry mob is formed due to false rumors or misunderstandings about the Avengers. For example, a false report of an Avenger causing harm to civilians can quickly turn the public against them.
One possible common theme could be conflict. Since Peter is angry, there might be some sort of struggle or argument related to the sandwich, perhaps over who gets to eat it or how it was made.
In these fanfictions, a common theme is Peter's struggle to control his anger. His powers are great, but when he's angry, he can be more dangerous. So there's often a focus on how he manages his rage while still being a hero. Also, the anger can be a catalyst for him to face new challenges and enemies that he might not have otherwise. For instance, if a new criminal organization is causing harm in the city and the police don't take it seriously, Peter's anger at the injustice spurs him into action.