X2: X-Men United Blu-ray Special Features:
- Disc One:
- Audio commentary by director Bryan Singer and cinematographer Tom Sigel
- Audio commentary by producers Lauren Schuler Donner and Ralph Winter, and writers Michael Dougherty, Dan Harris and David Hayter
- Disc Two:
- History of the X-Men featurettes
- Deleted scenes
- Pre-production, production and post-production featurettes including The Second Uncanny Issue of X-Men: making of Documentary
- Behind-the scenes still galleries
- Theatrical trailers in high def