The movie slowly feeds you info like a slow drip IV, until the huge revelation at the end given to you be a huge surprise cameo. (fatmovieguy.com)
Adding Eitri to Avengers 4 also has the added benefit of another guest - appearance by Peter Dinklage, whose surprising cameo in Infinity War was one of the many highlights of the film. (cbr.com)
Judd Apatow directs this hilarious cast including Colin Quinn, Vanessa Bayer, Tilda Swinton, Marisa Tomei, and Brie Larson plus surprise cameos from sports stars and a reportedly hilarious turn by basketball giant Lebron James! (joyceschoices.com)