Will might initially be in shock. He trusts Hannibal to a certain extent, so the betrayal of being kidnapped would be a huge blow. He could be angry and try to fight back against Hannibal.
It's possible. A successful 'X Hannibal' fanfic would need to have a compelling storyline, well-developed characters, and maybe some unexpected twists. If it manages to do all that, it could gain a lot of fans.
One possible motive could be his obsession with Will. Hannibal sees Will as a unique individual, almost like a kindred spirit in some ways. He might kidnap Will to have him all to himself, away from the outside world that he believes corrupts or misunderstands Will.
One common theme is the exploration of their complex relationship. It's often about the push - and - pull between them, the love - hate dynamic. Another theme is the psychological aspect. Fanfics usually dig deep into their minds, like how Will's empathic abilities interact with Hannibal's psychopathic nature.
One popular hannibal fanfic might be those that explore the relationship between Hannibal and Will in alternate universes. For example, there could be a story where they meet in a modern-day setting outside of the context of the original show's crimes. Another could be a fanfic that delves deeper into Hannibal's past, like his early days of developing his unique tastes and how that affected his relationships.
One common theme is the exploration of their dark and complex relationship. Since both characters have deep psychological aspects, these fanfics often dig into how they interact on that level.
In writing 'hannibal crossover fanfic', the different universes' rules and logics can be a problem. For example, if you cross over with a science - fiction universe that has its own set of physical laws, integrating Hannibal's world which is more grounded in psychological horror can be tough. Also, the fanfic writer has to deal with the different fan bases. Fans of each original work may have different expectations, and pleasing all of them is not easy.
You can check out Archive of Our Own (AO3). There are tons of 'Will x Hannibal' fanfics there. Some popular ones often explore their complex relationship in different scenarios, like post - series reconciliations or what - if situations during the events of the show.
One common theme is the exploration of their complex relationship. It's often about the push - and - pull between them, the attraction and repulsion. Another theme is the psychological battle. Given Hannibal's nature as a brilliant but twisted mind, and Clarice's strong - willed and intelligent character, there's always a mental sparring going on in these fanfics.