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.
The Ultimate Guide to Happiness was a book worth recommending. The book was written by Robert Scheinfeld, who had helped many people free themselves from self-restraint and live a powerful life for more than twenty years. The Ultimate Guide to Happiness explained the motives behind people's actions, the meaning of emotional symbols, and the lies and illusions about true happiness. It subverted people's habitual misunderstandings and prejudices about happiness, helping readers begin to change their minds, behaviors, and lives to regain true happiness. This book was very popular among readers. Many people believed that it could help them find the truth of life and realize a happy life without suffering. Although there was no specific book list recommended in the information provided, The Ultimate Guide to Happiness was a book worth reading.
I'd say start with some of the classic story arcs like 'The Dark Knight Returns' for DC and 'Civil War' for Marvel. They give you a good taste of the characters and the universes.
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.