I have three things to say about The Avengers.
The first...OMG yay!
The second... Nick Fury is a lying liar who lies, they explicitly told us that. We didn't see the medical team call it, we have to take Fury's word for it. (see: lying liar who lies) And I've been watching SF for a long time. A very long time. Unless you saw his heart transplanted into a twelve year old boy...
The third... We're going back to see it again tomorrrow.