Author and professor Van Plexico, speaking from the viewpoint of the fan of "The Avengers" (he runs AvengersAssemble.net), agrees.

CNN: Hollywood brings out big guns for a superhero summer

Plexico had a few ideas for the next big superhero on the screen, even if "Justice League of America" doesn't pan out.

CNN: Hollywood brings out big guns for a superhero summer

"At this point, my only fear is that the hype (around 'The Avengers') will prove to be too much, and people's expectations will rise too far for the movie to possibly meet them, no matter how good it is, " Plexico said.

CNN: Hollywood brings out big guns for a superhero summer