Because Hugo Weaving is a boss and Odin is a boss and Odin just demands attention and Hugo Weaving’s boss like qualities demand intention and Hugo Weaving should just be in everything because he is just so badass.
Mary, Canada, 715, Queer: moderately firm grunge, Game of Thrones, Marina and the Diamonds, all things Joss Whedon, Jessica Chastain, The Sandman, Community, Hannibal, Spartacus, and me making dickish comments on pretty much everything. Oh and Tom Hardy. There's a lot of him in here too.
I also did a Sandman Casting a while back which you should check out