Mark V

The Mark V (5) can transform between a suit and a suitcase. It appears in Iron Man 2 & Iron Man 3. In Iron Man 2, it was used against Whiplash (aka Ivan Vanko). In Iron Man 3, it appears in the Hall of Armor. It, along with the marks I, II, III, IV, VI, and VII, was destroyed by The Mandarin's helicopters. It is a portable suit, as mentioned by J.A.R.V.I.S.