There are a few versions of the Iron Fist character in Marvel Comics. But it's not a straightforward number as it depends on different storylines and continuities.
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.
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.
The 'Immortal Iron Fists: Marvel Premiere Graphic Novel' is a must - read for Marvel enthusiasts. It combines elements of traditional martial arts with the superhero fantasy that Marvel is known for. In this graphic novel, you can expect to see the unique fighting style of the Iron Fist. There are also many sub - plots that add depth to the story. It shows the journey of the Iron Fist as he battles against various threats, and his growth as a character is really interesting to follow.
Yes, there are some hints of a special relationship between them. In the movies and comics, they share a unique bond. Hulk seems to have a certain level of protectiveness towards Black Widow, and she is one of the few who can somewhat reach out to the Hulk within Bruce Banner.
The main character is obviously the Hulk. And of course, Bruce Banner, who is the Hulk's alter ego. There may also be characters like Betty Ross, who has a complex relationship with both Bruce and the Hulk.