This is a well-known "warez" or torrent site. Files from these sites are often compressed to save space, which can lead to "artifacting" (pixelation) in dark scenes.
Sites like World4uFree are notorious for "malvertising." Clicking "Download" or "Loan" links often triggers multiple pop-ups that may attempt to install malware or tracking cookies on your device.
This means the file contains two audio tracks, usually the original English audio and a Hindi dubbed version, which is common for releases targeting the Indian market.
Downloading or "loaning" copyrighted material from these sources is a violation of copyright law.
At 1080p, the psychedelic visual effects of Doctor Strange should remain sharp, provided the "HV" encoding didn't over-compress the data. However, compared to a legitimate stream on Disney+ or a Blu-ray, you will notice a lack of depth in the color grading.