Kit Harington may only be in "Eternals" for a few minutes, but his character, Dane Whitman, returns at the film's end with an important scene teasing his future in the Marvel Cinematic Universe.
If you ask Kit Harington whether it's tougher to ... he was told to cover his outfit. In "Eternals," Harington plays Dane Whitman, a human who works at the Natural History Museum in London.