It's hard to give an exact number as new comics are constantly being added and some older ones might not be considered part of the current continuity. But there are hundreds of comics within this universe.
Well, making online comics involves having a clear vision. Work on character development, think about the color scheme, and pay attention to the layout of each page. And don't forget to build an audience by sharing on social media and engaging with readers.
Sure, Ultimate Spider-Man comics are available on Marvel Unlimited. This platform provides a comprehensive collection of various Marvel comic series, including this one.
Hellboy isn't from Marvel. He was created by Mike Mignola and is associated with Dark Horse. Marvel has its own distinct roster of characters, and Hellboy isn't among them.
I'm pretty sure Aladna isn't in Marvel Comics. Marvel has a vast array of characters, but this name doesn't seem to be among them. It could potentially be from a lesser-known comic series or a fan-created concept.
Love isn't a specific character. Marvel Comics are filled with heroes and villains, but love is not one of them. It's something that influences the characters' actions and relationships.