Will there be a third Avengers movie?
The third Avengers movie is called Avengers: Infinity War - Part I (2018) and it will be released on May 4, 2018. It will be followed by the fourth Avengers movie, Avengers: Infinity War - Part II (2019), on May 3, 2019.
Although the movie titles currently say Part I and Part II, the directors, Anthony and Joe Russo, say that each will be a separate film that tells a complete story.
Yes, it's called Infinity War and it will have two parts, one in May 2018 and another in May 2019