Should Avenger's 3 even be the title?

Just wondering with all these Non Avenger MCU characters popping up and on the horizon. Shouldn't the Inifinity Guanlet Film have a different title? The Avenger's weren't the only heroes in that comic and they won't be the only team in the movie. I think a film with the title Marvel: Inifinity or Infinity Gaunlet would be so powerful. And then do Kang or the The Master's/Cabal in Avenger's 3.