Spider-Man Trilogy (Blu-ray) for £17.93 - £1.68 instant savings + £3.08 shipping to the US = £18.34 (roughly USD $29.73).
This Blu-ray title is region-free and will work on US Blu-ray players.
Spider-Man Trilogy [Blu-ray] [2002]: Amazon.co.uk: Tobey Maguire, Kirsten Dunst, Sam Raimi: DVD