In what I fear could become a trend, Entertainment Tonight today aired a preview of the new trailer for Marvel's The Avengers that is set to debut tomorrow. Yes, we now have trailers of trailers. Fantastic:

The Avengers is directed by Joss Whedon and stars Robert Downey Jr., Chris Hemsworth, Chris Evans, Scarlett Johansson, and Samuel L. Jackson. It opens May 4, 2012.

Source: Entertainment Tonight via Some Guy's TV via CinemaBlend

In Avengers, Scarlett Johansson plays Black Widow, reprising the role she played in Iron Man 2. Click on the image below for our photo gallery of the former Ryan Reynolds paramour: