Konami has hinted ‘Metal Gear Solid 4: Guns of the Patriots’ could appear on the rumoured ‘Master Collection Vol. 2’. The action-adventure title released exclusively on the PlayStation 3 in 2008, though didn’t appear on the first collection of Konami’s older entries into the series when it launched last year. However, the studio has now teased that the game will appear on a second collection allegedly alongside ‘The Phantom Pain’ and ‘Peace Walker’. Producer Noriaki Okamura told IGN: “We definitely are aware of this situation with ‘MGS4’. Unfortunately we can’t really say too much at the momen…