Passage: Thor: Ragnarok premiered in Los Angeles on October 10, 2017, and was released in the United States on November 3, 2017, in 3D, IMAX, and IMAX 3D. The film was a critical success, receiving praise for its acting and Waititi's direction, as well as the action sequences, humor and musical score, with many critics considering it to be the best installment of the Thor trilogy. It grossed $854 million, becoming the highest-grossing film of the trilogy and the ninth-highest-grossing film of 2017.

Question: When did Thor: Ragnarok premiere?
October 10, 2017