Originally Posted by Mr. Extremis
This. Finish it with 3 and whatever Avengers and S.H.I.E.L.D. movies you have down the line, then when they decide to reboot Iron Man, do it like 2 decades later when it's a-ok to resurrect a movie.
IMO, 2 decades is far too long. There's no reason to need to wait so long. 7-10 years is plenty of shelf-time, IMO.