Gunn, who did some of the writing for the Guardians characters in Avengers: Infinity War, has now revealed what Groot’s final line in Avengers: Infinity War actually was, and it’s devastating.
It’s little details like this tidbit of information from James Gunn that helped make Avengers: Infinity War into such a heartbreaking movie.
Avengers: Infinity War went on to reveal that “Groot” was its own language, and Thor had actually learned it as an elective while studying on Asgard.
Warning: Major spoilers for Avengers: Infinity War lie ahead.