NEWS: Marvel's The Avengers To Feature Surprise Guest Star?

It seems that a member of the cast from the upcoming Marvel's The Avengers may have let-slip with what could be the biggest spoiler yet...



Obviously, this article contains spoilers. 



Bleeding Cool reports that Jenny Agutter - of An American Werewolf In London, Walkabout and, erm, The Railway Children fame - has signed-up to appear in the upcoming big screen adaptation of Marvel's