Consumers interested in the discount must visit the film's official website. It does not appear as if prior membership registration is required for the coupon.
This link leads directly to the page with the printable coupon. To access the discount, consumers need to click the appropriate language option - USA, Canada-English, Canada-Français - underneath the "Get Coupon" heading. Barcodes allowing the $5 savings should automatically print on the face of the coupon.
The offer is only valid at participating retailers - in the USA and Canada only - for the first week of release (until January 29th).