When Avengers: Infinity War was released on physical media like the in August 2018, it was presented in a standard 2.39:1 "widescreen" aspect ratio. However, the film was unique: it was the first Hollywood feature shot entirely with IMAX digital cameras .

A common debate among home theater purists is whether a 2160p WEB-DL can rival a physical 4K Ultra HD Blu-ray disc. 2160p WEB-DL (IMAX Enhanced) Physical 4K UHD Blu-ray Expanded 1.90:1 (IMAX Frame) Standard 2.39:1 (Letterbox) Bitrate Moderate (optimized for streaming) Very High (maximum data transfer) Convenience Instant digital playback Requires physical disc drive HDR Formats Dolby Vision / HDR10+ HDR10 / Dolby Vision

A: Sony has teased an "IMAX Enhanced" disc release, but as of mid-2026, no physical disc contains 1.90:1. The WebDL remains the king.

Updated files frequently include enhanced audio tracks, such as Dolby Atmos or 5.1/7.1 Surround Sound, providing an immersive soundscape.

Most streaming services compress audio to Dolby Digital Plus (DD+), which is lossy. The "UPD" tag in this release often indicates that the uploader has synced the video to an track or a high-bitrate DTS-HD MA track sourced from a Blu-ray.