Umlingisi oneminyaka engu-50 unikeze inhlolokhono eningiliziwe futhi wabiza ifilimu yakhe ayithandayo ku-Filmmaker Marvel. Njengezinkanyezi nabalandeli abaningi, uBrolin wakhetha ifilimu lapho kwaqala khona konke, "ndoda yensimbi." Okokuqala, wanikeza intela yetalente elisebenzayo lesithombe esikhulu senkanyezi. "Isebenze kahle. Kimi akukho ukuhambisana okungcono nomlingiswa womlingisi kunoRobert Downey ml njengoTony Stark. Wenza umsebenzi omuhle kakhulu, futhi manje umuntu akanakucabanga omunye umlingisi ongafaka lesi sithombe esikrinini. "
I-Iron Man ngokwakhe, ngokusho kweBrolin, ayigcini nje ngokusungula ibha yekhwalithi, kodwa futhi yaba "ithempulethi" yawo wonke amaphrojekthi aphuma ngemuva kwawo. "Ngakho-ke ubelokhu engikuthandayo," kusho umlingisi.
Futhi kumafilimu amathathu athandwayo uJosh Brolin angenele "umphindiseli wokuqala: Ukuxabana" no "Thor: Ragnarec". Ingxenye yesithathu yeCaptain America yaphoqa umlingisi ukuthi acabange ukuthi uSteve Rogers empeleni ungubani. Futhi ifilimu Thai Weiti, ngokusho kweBrolin, inhlanganisela enhle kakhulu yokuhlekisa, isenzo nokwenza.