This has been a very first-class, A-list Comic-Con (hello, last year, with your Paris Hilton), and that's not about to change. Saturday's pretty much Iron Man 2 day here in San Diego, with Robert Downey Jr., Scarlett Johansson, Gwyneth Paltrow and Jon Favreau all scheduled to bring some noise. Oh, and Mickey Rourke. And Don Cheadle.
Will there be new footage? Pithy quips and banter? Find out as we tweet live the last big day of the pop-culture expo and the last huge panel:
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