In an interview with Collider, Gunn explained why he decided to keep Groot in his infant form.
Footage from the film was shown at Comic-Con but has yet to be released online; Gunn said it will be available ‘relatively soon’.
The former, James Gunn-directed film, caused quite a stir after it was revealed who Star Lord’s father is in the film; Ego the Living Planet, played by Kurt Russell.
Gunn also confirmed that Yondu is one of the Guardians and he shares a close relationship with Rocket, the walking, talking racoon voiced by Bradley Cooper.