I’m not really sure what you are looking for here. The devs have said in Q&A that they will continue to tweak matchmaking, but that they don’t really want to take specific meta characters into account in doing so.
I’m sure you are not the only person who doesn’t have them, but you are likely in a division and at a matchmaking GP where your top characters are powerful enough that most people in your bracket do have those characters, especially now that they have all come around more than once.