Jack Ryan will be returning under the working title Moscow in the new chapter of the franchise that has Chris Pine set to star.  As you can guess from the title, the film will be set in Russia.  According to Pajiba, Adam Cozad (an unknown writer) has been brought in to rework Hossein Amini's (The Four Feathers) original draft.  Pajiba went on to give us some updates on the plot:

We'll be meeting up with Jack Ryan shortly after he leaves the Marines, but before he joins to CIA.  When we first meet him, he's a Wall Street broker.  As opposed to the books by Tom Clancy (which had him working as a financial analyst in Baltimore) he'll be a financial advisor in Moscow for some billionaire employer.  It's this new boss that will eventually set up Ryan as the fall guy for a terrorist plot that aims to destroy the U.S. economy.  This is when the adventure begins as Ryan must clear his name, reveal the terrorist plot, and save his wife as she's been taken hostage by the billionaire.

Hit the jump for more.

The Pajiba article goes on to mention how the new Jack Ryan story seems to have absorbed a lot of the elements of a story titled Dubai.  It's basically just taken the story of Dubai and embedded Jack Ryan's character in it and moved it to Moscow.  Dubai was written by Adam Cozen and was sold to Lorenzo Di Bonaventura in 2007.

Personally, I have no issues with this change between Dubai and Moscow.  Jack Ryan has always been like an Indiana Jones or a James Bond, in that as long as you create an adventure/thriller plot and throw him in the middle, it'll work.  All you need is the charismatic lead, which, after Star Trek, we can all agree Chris Pine is.

For more on the next Jack Ryan movie, here's Steve's interview with producer Mace Neufield from a few months back.