Rebecca Hall is in talks to step into a supporting role in writer/director Shane Black's "Iron Man 3" says Variety.
The story is based on the popular six-issue mini series "Extremis" by Warren Ellis--the film's events take place after The Avengers. The plot involves the spread of a virus through nanobots.
The role is that of a "sexy scientist every bit as smart as Tony Stark (Robert Downey Jr.)", that was likely the character of Dr. Maya Hansen who developed the Extremis nanotechnolog, that winds up being sold to terrorists.
Jessica Chastain was previously attached to the role, but scheduling conflicts forced her to opt out,
Gwyneth Paltrow, Don Cheadle Ben Kingsley Guy Pearce and Chinese superstar Andy Lau co-star.
Production will take place on location in Hong Kong, Shanghai and other parts of China later this summer once filming wraps up in North Carolina which starts in a few weeks.