Yes, trademarks are registered and are valuable properties to the companies that own them.
No, that is called theft of a trademark or copyrighted name. It is illegal to do so.
Contraband.
Get a lawyer and land on them with both feet. This is fraud, infringement of trademark, and probably several other kinds of illegal.
It would be fraud to make such a claim. Only the owner of the trademark can make such a claim.
It is always illegal to download anything if you did not but it from the company that sells them.
Without a license, yes. Keep in mind the "Deep Note" is also a registered trademark.
No, wording does not have to be exactly the same as a trademark to be illegal. If the wording is similar enough to cause confusion among consumers and to dilute the distinctive quality of the trademark, it could still be considered a trademark infringement. It's best to consult with a legal professional for specific advice regarding trademark issues.
A company buying another company to eliminate it as competition(Apex)
You don't. Its illegal and the Spiderman costumes are a trademark; meaning you can't sell, or reproduce it in any way without consulting permission from the company(in this case Marvel Entertainment).
It is if you're using brand logos. It's trademark infringement.
Downloading copy right material is illegal. Mediafire itself isn't really illegal.
No, the website is safe and can only be illegal if there are copyright infrigment material on there.