NO, the email you've received from fanatical.ads@gmail.com is not a genuine contact from Fanatical.
If you'd like to discuss this then please open a support ticket with us, but we can confirm this personal does not work for Fanatical, nor Fandom.
Fanatical will only contact you using the email domain Fanatical.com or Fandom.com
We hope this helps.
Customer Support Team.