Whedon's Avengers movie will feature Thor (Chris Hemsworth), Captain America (Chris Evans), Iron Man (Robert Downey Jr.) and more. It is currently slated for a May 4, 2012 release.
Article: http://www.pastemagazine.com/articles/2011/04/filming-begins-on-joss-whedons-the-avengers.html
"Tomorrow we start shooting (I THINK I'm legally permitted to say that)," Whedon said. "Day one. That's right. We'll be shooting the pivotal death/betrayal/product placement/setting up the sequel/coming out scene..."
;D ;D ;D ;D ;D ;D ;D
(Yay, if you can't tell...XD)