First, you should think about the relationship between them. Decide if it's going to be a romantic relationship or more of a platonic partnership. Then, come up with a basic plot idea, like a problem they need to solve or a journey they need to go on.
Begin with a strong opening scene that grabs the reader's attention. It could be a fight scene between Ben and a foe where Future Gwen steps in to help. This immediately shows their connection and sets the tone for the story. Then, gradually introduce the backstory and the main conflict. Maybe Ben has a secret that Future Gwen discovers, or vice versa, and this secret is related to the overarching problem they need to solve in the fanfiction.
Perhaps a fanfiction where they go on a time - traveling adventure together. They could visit different points in time and encounter versions of themselves and their friends from various timelines, which would lead to some really interesting character development.
First, you should do some research on both characters. Know their personalities, powers, and backstories. For example, Gwen is a powerful Anodite with combat skills and Greymatter is super - intelligent. Then, come up with a basic plot like a shared adventure or a problem they need to solve together.
Archive of Our Own (AO3) is also a great place. There are some really well - written and unique takes on the Ben x Gwen relationship in the Ben 10 universe. The tagging system there makes it easy to find exactly what you're looking for.
First, think about what aspect of Gwen you want to focus on. Is it her powers, her personality, or her relationships? Then, come up with a simple plot idea. For example, a day in the life of Gwen where she has to deal with a small - scale problem using her powers. Just start writing down your ideas, don't worry too much about grammar at first.
First, understand the characters well. Know their personalities, strengths, and weaknesses from the original show. Then, come up with an interesting plot. It could be a new adventure they go on together, or a situation that forces them to confront their feelings. For example, a new alien threat that only they can stop together.
First, decide on the main plot. It could be something like the ones I mentioned before. Then, create your characters. If you're using the next - generation idea, think about how the kids of the original characters would be like. Are they more rebellious or more cautious? After that, plan out the setting. Will it be in the same locations as the original series or new ones? For example, you could introduce a new continent full of dangerous and mysterious creatures.
One great 'Ben 10 Ben x Gwen Fanfiction' is 'Parallel Bonds'. It explores their relationship in an alternate universe where they have to work together against a new kind of enemy. The story is full of action and also delves into their emotional connection.
Begin by choosing the crossovers carefully for your 'ben 10 crossovers fanfiction'. Let's say you want to cross it with Avatar: The Last Airbender. You should understand the powers and cultures in both. For Ben 10, it's the aliens and for Avatar, it's the bending. Next, create a conflict. Maybe an alien from Ben's world is causing problems in the Avatar world that only a combination of bending and alien powers can solve. Start with a simple outline of the story, including the beginning, middle, and end. Then start filling in the details as you write, don't worry too much about making it perfect at first.
First, come up with a cool concept. It could be a new adventure for Ben, like exploring a hidden alien planet. Then, create an outline of the main events in your story.
You could begin by exploring their relationship before the pregnancy. Show how they interact, their love for each other, and then introduce the element of the pregnancy as a big shock or a happy surprise. Maybe have a scene where they are discussing their future plans and suddenly Mal realizes she might be pregnant.