COMMERCIAL IMAGE - In this photograph taken by AP Images for IMAX -- Transformer fans gather around Don Sowers, with his life-sized Optimus Prime costume at the Transformers: Dark of the Moon An IMAX ... more 
COMMERCIAL IMAGE - In this photograph taken by AP Images for IMAX -- Transformer fans gather around Don Sowers, with his life-sized Optimus Prime costume at the Transformers: Dark of the Moon An IMAX 3D Experience Opening Night Fan Event at the Navy Pier IMAX Theatre in Chicago on Tuesday, June 28, 2011. (Jim Prisching/ AP Images for IMAX) less 
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Associated Press
Thu, Jun 30, 2011 8:59 AM EDT