Use stream of consciousness to answer the following. The original Guardians of the Galaxy are a superhero team appearing in American comic books published by Marvel Comics. The Guardians first appear in Marvel Super-Heroes # 18 (Jan. 1969).

Answer this question based on the passage: when did guardians of the galaxy comic book come out?
The relevant information is: The Guardians first appear in Marvel Super-Heroes # 18 (Jan. 1969). Final answer: Jan. 1969.