Amazon offers Sky Captain and the World of Tomorrow - Limited Edition Steelbook 4K Ultra HD + Blu-ray [4K UHD] for free shipping with Amazon Prime. 

Product Description:
In this science fiction adventure set in the 1930s, New York City reporter Polly Perkins (Gwyneth Paltrow, Avengers: Endgame, Shakespeare in Love) starts to investigate why so many famous scientists are being reported missing. Soon, she gets clues, as strange flying machines and giant robots threaten the city. Luckily, her old flame, aviator Captain Joseph Sullivan aka Sky Captain (Jude Law, Captain Marvel, Hugo), is there to battle the bad guys with the Flying Legion, in his Warhawk P-40. Now Polly must fly away with Sky Captain to Nepal to find a crazy scientist, Dr. Totenkopf, who apparently wants to destroy the world!
Bonus Content:

• Presented in Dolby Vision
• Audio Commentary with Director Kerry Conran, Production Designer Kevin Conran, Animation Director Steve Yamamoto, and Visual Effects Supervisor Darin Hollings
• Audio Commentary with Producer Jon Avnet
• Brave New World: A Two-Part Look at the Making of Sky Captain and the World of Tomorrow
• The Art of Tomorrow Featurette
• Anatomy of a Virtual Scene
• The Original Six-Minute Short
• Deleted Scenes
• Gag Reel
• Theatrical Trailers