It looks like the latest patch failed to fix the bugs
Player First Games announced that they are temporarily disabling Ranked Mode in MultiVersus. This outage happened shortly after the release of the latest patch, which did not contain any content updates and was intended to fix bugs, and it looks like the update only made matters worse.
The MultiVersus community is not too happy with the amount of content in the second season, as the developers promised much more innovations:
We hope that Player First Games will be able to turn things around in their favor next season, which kicks off in less than two weeks.