Special features: Disc 1: Widescreen version
Full-length audio commentary by director Bryan Singer and Brian Peck
Enhanced viewing mode takes you behind the scenes as you watch the film with: 17 all-new featurettes ; 6 deleted scenes with optional director's commentary
Language: English, 5.1 Dolby surround ; English DTS ; Spanish, Dolby surround ; French, Dolby surround
Subtitles: English, Spanish. Disc 2: Introduction by Bryan Singer
"The Uncanny Suspects" preproduction-feature
"X-Factor: The Look of the X-Men" costume featurette
"The Special Effects of the X-Men" visual effects featurette
"Reflection of the X-Men" retrospective featurette
Exclusive movie premiere footage from Ellis Island and around the world
Multi-angle scene studies
Animatic-to film comparisons
3 theatrical trailers ; 9 TV spots ; 12 Web interstitials
Exclusive X-Men 2 sneak preview teaser and much more!