So i want to play 2 player co op in nintendont in wii and i only have 2 usb controllers and 2 wii motes with 2 nunchucks how can i play 2 player co op?And i alredy know about pikmin 2 so dont talk bout that

Well i guess ill get some gamecube controllersI don't know if a usb hub could work, but what kind of Wii do you have? If you have the one with gamecube ports it would be rather easy, barely an inconvenience.
By the by, maybe you could try these things https://www.amazon.nl/Mayflash-GameCube-Controller-Adapter-voor/dp/B00YH3NWTW