Google, Marvel, and Disney have not publicly announced any cross-promotion deal and many television shows seem to stick to using the iPhone and Macs as though the audience needs to see that Apple logo on the back to understand that they are looking at a phone.
In most cases, if you can read the credits at the end of a show that features Apple devices, you’ll see that Apple is listed among the companies that provided promotional consideration (which simply means that Apple handed out the necessary phones, computers, watches, and tablets for free in return for having its aforementioned logo receive long and valuable screen-time.