It seems in this old article from CNN, that the $2 bill may have been reissued last year. After a brief google search, I can't find any other information to the effect.

I used to get a $2 bill every birthday from a great-aunt of mine. Unfortunately, when she died that was the end of that. But I think I still have a small pile of them at my dad's. I also knew a student at MIT who would regullarly get $20 worth of $2 bills from the bank and spend them. He did the same for the $1 coin. I wonder how many rarely used pieces of currency he was responsible for passing...