Why don't you have Syd visiting Irina when these KGB agents pop out of no where. They try to get Irina but she starts beating them up when Jack, Vaughn and Kendall come in. Kendall comes in a nd screams "WHAT IS THE MEANING OF THIS!?" b/c he though they were CIA agents. And then Irina and Syd explains what happens. Later on they find out that they are KGB.