The Avengers originated in Marvel Comics. Marvel has developed a vast universe of characters and storylines, and the Avengers are a key part of it. Their adventures have been adapted into various forms of media, including movies and TV shows.
The separation of the Hulk and Banner varies in Marvel comics. Sometimes, external forces or internal conflicts cause them to split, but it's not a consistent occurrence throughout all comics.
A common theme is She - Hulk's struggle to balance her normal life as Jennifer Walters and her superhero identity. For example, in many fanfictions, she has to deal with legal cases during the day and then rush off to save the world at night.
One great 'Avengers She - Hulk Fanfiction' is 'She - Hulk's Adventure in the Avengers Tower'. It has an interesting plot where She - Hulk helps Iron Man upgrade the security system while dealing with her own insecurities within the team.
No. Marvel Comics is a family - friendly entertainment medium for the most part and does not include such inappropriate content related to sexual stories about its characters like Hulk.