From the movie stars who adorned the capes and tights to the filmmakers who helmed the $300+ million projects to the man who was in charge of it all — Kevin Feige — many people have been lavished with credit for the role they played in making Marvel into the unprecedented Hollywood behemoth it became in the 2010s. But, there’s one crucial group that’s gone somewhat overlooked, who may have been the true unsung heroes all along. From the very beginning, Marvel’s casting departments played a massive role in the success of the MCU.