Question: The Guardians of the Galaxy, are a fictional spacefaring superhero team, appearing in American comic books published by Marvel Comics, it has an an initial roster, including which  fictional superhero appearing in American comic books published by Marvel Comics, where the character first appeared in "Tales to Astonish" #13 (November 1960)? 
Sentence (from "Groot"): An extraterrestrial, sentient tree-like creature, the original Groot first appeared as an invader that intended to capture humans for experimentation.
Relevant evidence: No