This collection will include the first three Metal Gear Solid games – Metal Gear Solid, Metal Gear Solid 2: Sons of Liberty and Metal Gear Solid 3: Snake Eater (both HD Collection versions), and will launch in the autumn.
However, the Konami website for the collection includes a blank space with “stay tuned for more information”, which the PlayStation Store has revealed will be Metal Gear and Metal Gear 2: Solid Snake.
Source: N4G PC Metal Gear Solid: Master Collection Vol. 1 also includes Metal Gear 1 and 2