James Gunn Addresses Groot's Age in Avengers: Infinity War

[WARNING: This post contains spoilers regarding the Avengers: Infinity War trailer from San Diego Comic-Con and D23.]


James Gunn shared some interesting details about the growth of Groot throughout the Guardians of the Galaxy franchise and into Avengers: Infinity War. Gunn did not direct Infinity War, but he did serve as an executive producer and Anthony & Joe Russo (Captain America: Civil War) will certainly benefit from his vision.

One Marvel Cinematic Universe character generating some buzz from both Vol. 2 and the unreleased Comic-Con and D23 trailer for Infinity War is Groot, who went from Baby Groot to an adolescent version of the character in a Vol. 2 post-credits scene. "Adolescent Groot" also appeared in the Infinity War trailer shown at SDCC and D23, which has led to questions about his age -- and Gunn himself was there to answer them.

Gunn's response came on Sunday through his own Facebook page, when he confirmed that the Groot seen in the Infinity War trailer is the same age as he is in the Vol. 2 post-credits scene. Here's how he explained Groot's odd rate of growth and how it differs from human beings:

Bay Groot Guardians of the Galaxy Vol 2

"Like dogs, who grow at a different rate than humans, and spend a different percentage of their lives in adolescence than humans do, Groot and Humans do not grow at some exact exchange rate. So, although two months seems to be about two years (as Baby Groot seems to behave roughly like a two year old), it is not fair to assume that every month is a year to Groot. He has an alien biology and ages in a completely different way than a human being. Different aspects of his growth may take longer or shorter than a human's."

Gunn explained that Groot is specifically an "adolescent" in his Vol. 2 post-credits scene and in the Infinity War trailer from SDCC and D23, not a "teen" as has been reported. He also clarified that Baby Groot is two months older from the end of the first Guardians of the Galaxy and takes years to become Adolescent Groot, but he wouldn't specify how long.

Ending the post with a note that "it will take years" to show Groot's growth from adolescence into adulthood, Gunn left his followers in a bit of suspense. A fan asked whether "Adult Groot" would be in the still-untitled fourth Avengers movie, but Gunn could not answer either way. No matter how Groot (and the rest of the Guardians) evolve between now, Infinity War, and Guardians of the Galaxy Vol. 3, his growth continues to be an interesting development to watch throughout the MCU.

Though Gunn did a lot to clarify how Groot has grown so far in the Guardians of the Galaxy movies leading into Infinity War, it remains to be seen how the character and the next two Avengers sequels will compare to their predecessors, as well as the rest of the MCU. There's plenty of uncertainty surrounding Groot and Vol. 3 at this point, but there's no shortage of intrigue.

Next: Every Marvel Movie Reveal From Comic-Con 2017

Source: James Gunn

Key Release Dates
  • Guardians of the Galaxy Vol. 2 (2017) release date: May 05, 2017
  • Spider-Man: Homecoming (2017) release date: Jul 07, 2017
  • Thor: Ragnarok (2017) release date: Nov 03, 2017
  • Black Panther (2018) release date: Feb 16, 2018
  • Avengers: Infinity War / The Avengers 3 (2018) release date: Apr 27, 2018
  • Captain Marvel (2019) release date: Mar 08, 2019
  • The Avengers 4 / Avengers: Endgame (2019) release date: Apr 26, 2019
  • Ant-Man & The Wasp (2018) release date: Jul 06, 2018
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