Selling products with copyright / trademark content that you do not have a license to use is not allowed, as it's illegal and unethical.
Copyright protects original works of authorship, such as books, music, film, artwork, etc. When you copyright something, you have the exclusive right to reproduce, distribute, perform, display, or license that work.
Trademarks, are a legally protected mark, logo, name, phrase, or design that identifies and distinguishes a product or service as belonging to a specific company or individual. It's like a brand's unique signature. Examples include Adidas, Nike, BAPE, SUPREME, Hello Kitty, NBA teams, and more. You can take a look at other examples here.