A&O Productions will show Iron Man 2 at 7 and 10 p.m. on Friday and Saturday at McCormick Auditorium in the Norris University Center. The sequel to “Iron Man” stars Robert Downey Jr., Gwyneth Paltrow, Don Cheadle and Scarlett Johannson. The Friday 7 p.m. showing is free. All other showings are $3.

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