How do you get character codes?

[Sense Makes None]

I see so many people talking about codes, and I have no idea where to get them.

I'm in the UK.

[Fanriya]

You got :
- one random code inside the box of Fusion Fusion pop. ( Among two characters and three variant )
- some pre-order codes from specific buyers
- the KFC codes ( one free one against rewards points ) : Only in US but you can get the first with a VPN
- one sended to the members of US Funko rewards program ( too late sadly )

[flarelightning75]

Funko Fusion Proto Eddy Variant DLC only PS5 and Xbox Series X/S "(Not Steam)"

[Sense Makes None]

Oh so most of them are US only? Good to know.