Tales to Astonish (1959) #13
The First Appearance of Groot! Before becoming a Guardian of the Galaxy, Groot was a terrifying monster from Planet X. Possessing a vocabulary larger than "I am Groot", Groot's Marvel Monster origins are revealed here!
The First Appearance of Groot! Before becoming a Guardian of the Galaxy, Groot was a terrifying monster from Planet X. Possessing a vocabulary larger than "I am Groot", Groot's Marvel Monster origins are revealed here!
