X-men: First Class Page

: A specialized feature on the Blu-ray allows you to watch specific "making-of" videos for certain scenes as they appear while you are watching the film. Standout Narrative Elements

: An 8-part behind-the-scenes featurette that covers everything from casting and the 1960s production design to the visual effects and Henry Jackman’s score. X-Men: First Class

If you meant "useful features" in terms of what makes the movie itself stand out, critics and fans often point to: : A specialized feature on the Blu-ray allows

: A key scene where Charles Xavier teaches Erik how to find the "true focus" between emotional extremes, which becomes a pivotal moment for Magneto's character development. : The film leans heavily into its 1960s

: The film leans heavily into its 1960s setting, utilizing a visual language and score inspired by Sean Connery-era James Bond films to create a distinct tone from other superhero movies.