Natalie Portman Won't Be In "The Avengers"

A few weeks back, Chris Hemsworth confirmed that Natalie Portman will return as her role from "THOR" for the upcoming "Avengers" film next year.
Now it's been confirmed that her character will not appear at all in Joss Whedon's "The Avengers". Portman did confirm that she has officially signed on for "THOR 2" and "THOR 3" though.