The Superteam combinations have been released and are visible in the event schedule.
The rules and the scoresheet can be found here: https://docs.google.com/document/d/e/2PACX-1vSkmNn8Eh2uiBmc3Zmo1pRXeoe8Gagn_fOv_RFcJHx74ohFPueMMw3iKpOFf11whPT1yRwukgJYLiY5/pub
There are 3 rooms in the top left corner of the OnStage Area. They have a whiteboard in it and are free to use for teams. You can meet in there with your Superteam.