Who am I that I have to sing under an umbrella? These people are my fans, and if they can stand in the rain to hear me sing, I can stand in the rain. ↗
If the Loki in 'Thor' was about a spiritual confusion - 'Who am I? How do I belong in this world?' - the Loki in 'Avengers' is, 'I know exactly who I am, and I'm going to make this world belong to me.' ↗