Exclusive early premieres in both select 3D and IMAX theaters took place on June 28, 2011, one night before worldwide release in 2D and 3D (including IMAX 3D) formats—each featuring Dolby Surround 7.1 sound.
Perdana awal Eksklusif di pilih 3-D dan teater IMAX berlangsung 28 Juni 2011, satu malam sebelum rilis di seluruh dunia dalam 2-D dan 3-D (termasuk IMAX 3D) format-tiap kamar Dolby Surround 7.1 suara.