While talking to journalists on the sets of "Guardians of the Galaxy Vol 2", Feige said that the villain could be seen as a main character, reported AceShowbiz.
"Thanos in 'Infinity War' is in a movie that has a lot of characters, you could almost go so far as to say he is the main character," said Feige.
Admitting that this development will be quite a departure from what Marvel has done till now, he said that it "was appropriate for a movie called 'Infinity War'."
"Game of Thrones" star Peter Dinklage will star in the film too, with Benedict Cumberbatch reprising his role as Doctor Strange.
The movie is slated for release on May 4, 2018 in the US.