Kirsten Dunst has confirmed shes back in Spider-man 4 as the old web heads favorite gal Mary Jane Watson. Talking to MTV she confirmed that she will join Toby Maguire and Sam Rami to do the 4th and 5th instalments saying:I'm in," said the actress matter of factly. However, when pressed to make the announcement official, Dunst quickly changed her tone, and rather cryptically added, "I'm not saying anything, I know there's rumors...
