It's a safe bet that The Avengers
would never have seen the light of day in the 1980s. The technology simply wasn't available to craft a film as ambitious as the one audiences watched in 2012. However, if someone did try to take a stab at it, they'd need some mighty good actors to fill the parts.
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Luckily, the 1980s were loaded with solid actors who would have been perfect for the film. Who would have likely joined forces to save the world if the Marvel Cinematic Universe began decades earlier?