How did the Cold War and “atomic anxiety” influence the superhero genre?

How did the Cold War and “atomic anxiety” influence the superhero genre? How does the superhero genre address contemporary anxieties today? For each question, provide examples using both heroes and villains.( chapter 17)
The final essay should meet the following requirements
1. Length: 750 words, not counting references
2. Page Format:12-point Times New Roman or Calibri front, double-spaced with 1-inch margins
3. Style: MLA guidelines
Reference: Properly use and cite at least three-course materials (e.g. video lectures, the two textbooks, and assigned films) and two external sources