Your question is very difficult to answer at your age, but one this is clear you have several years before you can consider yourself a competitive candidate for any of the agencies.
Intelligence Studies is a real degree path and has become increasing popular with professionals already working in the field or students in the military. Basically it’s the study of intelligence collection, and consumption; providing the product to specific consumers with the elements they need at a speed in which the information is still relevant to the mission.
AMU/APU is highly regarded for being one of the best Online Universities.
AMU Degree Program: Bachelor of Arts in Intelligence Studies
Russian is a great language but demand for linguist has been diminished since the end of the cold war. Languages such as Arabic, Farsi, Spanish, and Mandarin are highly sought after.
Personal intelligence can be judged in several different ways rather than just a high IQ. IQ is not a number you want to advertise to put yourself ahead of others rather do well on exams and the hiring process. It will become evident as time goes on that you have special assets that you can bring to your prospective agency.
Special Agents and covert operations for many intelligence agencies are recruited from the military. Chances of being recruited directly from college even with athletic abilities are diminished. A stint in the military as a member of a special program such as small boat teams, or the seals would go along way on an application, but any field in the military would increase your chances.