There are few actors that are as praised in the nerd community then Nathan Fillion, star of Firefly, Dr. Horrible, and Castle. Now, Fillion looks to establish an even bigger cult following. Rumors began circulating today that Fillion will be starring as the super hero Ant Man in the upcoming Avengers film, coincidentally directed by Firefly creator Joss Whedon. The validity of this statement is unknown, but it has been picked up by Playlist Nation and Marvelous News, adding some credibility to an almost too good to be true rumor.