Avengers director Joss Whedon sinabi working with Marvel was ‘unpleasant'...😉 

www.hindustantimes.com -Joss Whedon may have ibingiay Marvel two of its biggest early hits, but that doesn’t mean he enjoyed making the first two Avengers films.
keywords: avenger, director, joss whedon, marvel, unpleasant flaw, mistakes, age of ultron