Table:
text: First appearance
First appearances of popular heroes, villains and teams
First appearances of popular heroes, villains and teams
Characters_ First_Appearance Cover_Date Publisher Estimated_Value
Dr. Doom The Fantastic Four #5 June 1962 Marvel Comics $4,154
Spider-Man Amazing Fantasy #15 August 1962 Marvel Comics $45,150
Iron Man Tales of Suspense #39 March 1963 Marvel Comics $3,837
Doctor Strange Strange Tales #110 July 1963 Marvel Comics $3,500
X-Men ; Magneto X-Men #1 September 1963 Marvel Comics $13,545
The Avengers The Avengers #1 September 1963 Marvel Comics $5,148
Daredevil Daredevil #1 April 1964 Marvel Comics $3,160
Teen Titans The Brave and the Bold #54 July 1964 DC Comics $415
The Punisher The Amazing Spider-Man #129 February 1974 Marvel Comics $918
Wolverine The Incredible Hulk #180 October 1974 Marvel Comics $350

Question: What's the Cover Date Characters Are X-Men? Magneto from First Appearance ?

Question: What is the estimated value if the cover date is August 1962 for the first appearance?