Well, power and responsibility are common themes. The Avengers have great power, and fanfics often show how they handle the responsibility that comes with it. Family is also a theme sometimes, as some Avengers consider the team like a family. And then there's the theme of sacrifice, where characters may sacrifice themselves for the greater good.
Well, think about the key elements of your story. Is it adventure? Then tags like 'quest', 'exploration', or 'danger' could be suitable. Or if it's a mystery, go for tags like 'mystery', 'clue', 'suspense'.
In a fanfic tag, 'chomping' might refer to someone eagerly or voraciously consuming something, like food or information. But it could also have a more specific or creative meaning depending on the context of the fanfic.
A 'cross tag battle fanfic' is often a fan - created work that involves characters from different tags or groups in a battle - like scenario. It could be different fictional universes, different character archetypes, etc. For example, it might feature superheroes from Marvel and DC in a fight against each other in a unique storyline created by a fan.
Some 'tag oc fanfic' stories are those that take an existing story's setting and introduce OCs into it. A good one could be set in a fantasy world like Middle - earth from 'The Lord of the Rings', but with the author's own OCs who are on a quest. They can add new elements to the familiar world and create unique storylines.
Power - ups and new abilities are also common themes. Fanfic writers like to explore how characters can gain new powers in the context of the cross - tag battles. Also, there's often the theme of redemption, where a character tries to atone for past mistakes.
First, create your original character (OC). Think about their personality, appearance, and backstory. Then, decide on the world or story you want to insert your OC into. It could be an existing fandom like 'Star Wars' or a more general genre like mystery. After that, start with a strong opening scene that introduces your OC and the situation they are in.