Since Marvel is keeping this under wraps, we are just going to have to wait and see who Stan Lee was talking about when Avengers: Infinity War arrives next year.
“It was also hinted at that a major new character will appear in Avengers: Infinity War.
However, James Gunn has already said that he won’t be appearing in Avengers: Infinity War.
At one point, the subject of Avengers: Infinity War came up and he talked about a new character that will be showing up in the movie, which he thinks will really please fans.