Guardians of the Galaxy Vol. 3 has officially begun filming, and even though the main cast has already been confirmed, including Will Poulter as Adam Warlock, director James Gunn has teased the presence of a character that every big actor would like to play – but who could it be? The Guardians of the Galaxy became one of the biggest surprises brought by the Marvel Cinematic Universe and won over the hearts of viewers immediately, allowing them to continue to be an important part of this
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