For those that wish to…

marvel.com
INFRINGEMENT CLAIMS
If you are aware or suspect any persons infringing on the intellectual property of Marvel, please contact infringements@marvel.com and describe the suspected infringement. Please be as detailed as possible so that the claim can be investigated properly. Please also provide as much information as possible on the suspected infringer (ex. name, address, website, e-mail, phone number).

Such examples of intellectual property infringement are:

Unlicensed merchandise using Marvel’s characters or names
Unapproved commercial use of Marvel characters or trademarks
Counterfeit products
Illegal copies of Marvel material being sold or distributed.