Photo Credit: Courtesy of 3DStockPhoto (
big image)
So, we know Groot will be older in Guardians of the Galaxy 3 than he is in both
Infinity War and Avengers 4 - that is, assuming he doesn't sacrifice himself again and revert back to a sapling. ... According to the actor, that iteration of Groot "was a freshman in college" while Baby Groot is in nursery school.