Who directed the first 'Iron Man' film (2008)?

Who directed 'Nomadland' (2020)? Who directed 'The Power of the Dog' (2021)? Who directed 'Everything Everywhere All at Once'? Who directed 'Avengers: Endgame' (2019)? Who directed 'The Avengers' (2012)? Who directed 'Guardians of the Galaxy' (2014)? Who directed 'Thor: Ragnarok' (2017)? Who directed 'Edward Scissorhands' (1990)?