Marvel wanted to use a different song for the opening of Guardians of the Galaxy Vol. 2 because securing the rights to “Mr. Blue Sky” was difficult. James Gunn refused to change it, explaining that other songs would not fit the scene and that cutting the scene from the final edit was impossible. Gunn also stated that securing the rights to Mr. Blue Sky was the hardest of all. He had to write a personal letter or email just to tell the artists what he thinks of their music, because he does not ch