Claim: Thanos is a character that appeared in creative work.

Thanos -LRB- -LSB- ˈθænɒs -RSB- , -LSB- ˈθænoʊs -RSB- -RRB- is a fictional supervillain appearing in American comic books published by Marvel Comics . The character is usually depicted as a Titanian mutant -- Eternal superhuman . The character first appeared in Iron Man # 55 -LRB- February 1973 -RRB- and was created by writer Mike Friedrich and writer-artist Jim Starlin . Debuting in the Bronze Age of Comic Books , the character has been featured in more than four decades of Marvel continuity and a self-titled series .   Thanos appears in the Marvel Cinematic Universe 's various films , including The Avengers -LRB- 2012 -RRB- , portrayed by Damion Poitier , and Guardians of the Galaxy -LRB- 2014 -RRB- , Avengers : Age of Ultron -LRB- 2015 -RRB- , Avengers : Infinity War -LRB- 2018 -RRB- and its untitled sequel -LRB- 2019 -RRB- , portrayed by Josh Brolin . The character has appeared in other Marvel-endorsed products , including animated television series , arcade , and video games .