Question: What happened to doc in the cars 2 movie?
Disambiguated questions and answers: question: What happened to doc, the character, in the cars 2 movie?
What happened to doc's actor, prior to the cars 2 movie?
answer: Doc died before the events of the film, Piston Cup was renamed in his honor, and his clinic being converted into a museum
died from lung cancer
Natural Questions answer: died of Engine Cancer (from the Wikipedia article "Doc Hudson")