This video is under the protection of the fair use law which is adhered by almost all video content sharing platforms @hivewatcher here is the source of the video on which commentary with audio (real voice) has been added for adding an extra layer of filter to prove that is indeed under Fair Use law 
Please note that this ingame cutscene footage is from Metal Gear Solid 4: Guns Of the patriot released in 2008 and till this day remains exclusive for the playstation 3 console. Metal Gear Solid 4 comes under the registered trademark of Konami and was directed by Hideo Kojima who is from Japan.
Source of custom thumbnail: Photo by Anna Shvets: https://www.pexels.com/photo/set-of-colorful-guns-for-competitive-game-5217758/
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