User blog comment:The Director of S.H.I.E.L.D./MCU Phase 3 Movies/@comment-24006177-20140521213917/@comment-5244881-20140522063402

Iron Man 4 probably wouldn't be a good idea, since Tony Stark's life as Iron Man was finished as a trilogy. So if Iron Man 4 is made, probably someone else should tale the Iron Man armor instead of Tony.