The number of Marvel comic heroes is constantly changing and growing. As of now, there are well over 8000 characters, but new ones are always being introduced.
In the novel The Return of the Condor Heroes, Yang Guo's right arm was cut off instead of his left arm. This plot happened when he was fighting with the Little Condor. Because the Little Condor attacked him, he slashed his right arm to protect himself and his loved ones, causing his right arm to be disabled.
Oh, yes! Marvel is not just a comic book series; it's a huge universe of comics with countless heroes, villains, and epic adventures. The series has grown and evolved over time, becoming a cultural phenomenon.
Krull was not a Marvel comic book. It had its own standalone story and creative background separate from Marvel's comic book lineup. Marvel has a vast range of characters and titles, but Krull wasn't among them.