You can share comics online with websites such as comicpool.com or deviantart.com.
Yes , a wide variety of comics (Web-comics) are published online ~ look to the related link below . Websites such as comicpool.com or deviantart.com work well if you want to publish your own and don't know how to make a website.
DC Comics Message Boards
Marvel did publish some Star Wars comics, but the majority of them were published by Dark Horse.
Manga is a term used to describe japan made comics, so technically, no. But you CAN publish manga styled Comic Books in america.
Those would be comics if they were published in the US. Companies like DC and Marvel publish comics in the US. There is a branch of Viz called Amerimanga, which publishes EOL.
Yes, many self-publish as shareware.
Yes, Marvel Comics Owns Iron Man.
because their bored of Japanese ones, who knows! their own style, their own comics, like what you want and why is up to the individual
You can get published either through traditional publishers or self-publish. "Publishing" can be as simple as making pdfs available on your own website.
No DC comics does not own iron man as marvel comics is the rightful owner.
Publish it.
~sendmap