The Internet Archive often generates versions of a video. By default, you see the “H.264” version. That’s the broken one.
If you want a permanent, offline copy that plays without glitches, you need to repair the MP4 container. the mummy returns internet archive fix
A common complaint for The Mummy Returns is opening the page, seeing the player load, but the spinning circle never stops. This is a . The Internet Archive often generates versions of a video