This was posted in an earlier online play thread, however since this is recent I figured I'd make a new thread. I made a discord for CvS2 online play using a modified pcsx2 emulator. Here is the link: (https://discord.gg/0eFue7vlvpsc0HXi
The guide I made on how to use this is also in the discord page, but if you have questions you can ask me here or the discord chat. I'm trying to spread the word about this so more people can use this to play online until fightcade can support the game. Good luck!