Irina Spalko is a Russian agent. She isn't a major fan of Indiana Jones. She was sent by leaders of the Soviet Union to uncover the legendery Crystal Skulls, which are believed to be the key to an ancient Alien civilization.
Indiana Jones: You're not from around here, are you? Agent Irina Spalko: And 'vere' do you think I am from? Indiana Jones: Well, judging by the way you're sinking your teeth into those 'wubble-yous', I'd say Eastern Ukraine.