The Avengers Plans Parma-Based Action

Sometime between 7:00am and 7:00pm, the area will be used for pyrotechnic explosions "with fireballs that will reach 30 feet into the air". It is not currently known which, if any, of the principle cast will be present.
 
The highly-anticipated Joss Whedon-directed film stars Robert Downey Jr., Chris Hemsworth, Chris Evans, Jeremy Renner, Mark Ruffalo, Scarlett Johansson, Clark Gregg, Samuel L. Jackson, Cobie Smulders, Tom Hiddleston, Stellan Skarsgård and Amanda Righetti. It opens in theaters on May 4, 2012.