A time to die (1982)

A World War II vet sets out in 1948 to avenge the death of his wife at the hands of Nazis. His targets are four Germans, a Sicilian, and a Hungarian who committed the atrocities. He is aided by a CIA operative, who has another agenda. One of the targeted men is being groomed by the US to become the West German chancellor and is to be protected. Along the way, a third person joins the team.