Okay, what about copyrights? I have already seen logos used on TV shows being put on a shirt where the profits all go to the owner of the campaign. Somehow I do

Okay, what about copyrights? I have already seen logos used on TV shows being put on a shirt where the profits all go to the owner of the campaign. Somehow I doubt the network that own the show or the shows creators themselves would not have a problem with some fan starting campaigns like this for their own personal gain.