John F. Kennedy (X-Men Movies)

John Fitzgerald Kennedy (commonly known as JFK) was the 35th President of the United States of America. He held office from January 20, 1961 to November 22, 1963. His brother was Robert F. Kennedy, the 64th Attorney-General of the United States of America.

X-Men: First Class
President Kennedy was seen on TV addressing the nation during the Cuban Missile Crisis. He was later seen about a month later, he addresses the nation at Thanksgiving and reminds the American people of the peril posed by the Crisis.

X-Men: Days of Future Past
President Kennedy was assassinated on November 22, 1963 in Dallas, Texas. Magneto tried to save his life by swerving the "magic bullet". The authorities took him out before he could spare the President's life. After a brief private trial, Magneto was imprisoned and is ultimately locked away in a concrete and glass prison beneath the Pentagon as a result. Magneto would later reveal to Charles Xavier that Kennedy was a mutant.

Powers
Actually, Kennedy had no known powers. His political ideas, however, were that he would never have backed legislation like a Mutant Registration act, which was already being talked about in the 1950's as evidence of mutants was slowly coming to light and certain government officials wanted to take action before it became a full blown crises.