The Avengers will be released nationwide on May 4, and local theaters are preparing for an onslaught of seat traffic. Some are hosting midnight screenings of the movie.

Giving the movie an "A" grade, E! writes, "Avengers surpasses huge expectations built up by the recent series of pretty great Marvel superhero movies. Iron Man, Captain America, Thor and (best of all) The Hulk are recruited to save our tiny blue planet, and the ensuing action is, in a word, incredible. With snappy writing and a full roster of fleshed-out characters, the whole thing is a smash, from start to finish."

Hollywood Reporter suggests that The Avengers could have the biggest opening weekend of all time based on its mass appeal.

Read the rest of the review here.