How About Metal Gear Solid 4 in Metal Gear Solid: Master Collection Vol. 2? ‘Stay Tuned,’ Konami Says

Could Metal Gear Solid 4 appear in Metal Gear Solid: Master Collection Vol. 2? Konami responds.

https://www.ign.com/articles/how-about-metal-gear-solid-4-in-metal-gear-solid-master-collection-vol-2-stay-tuned-konami-says