Thanos' first appearance was in an extended storyline that spanned Iron Man #55 (Feb. 1973), Captain Marvel #25-33 (bi-monthly: March 1973 - Jan. 1974), Marvel Feature #12 (Nov. 1973), Daredevil #107 (Jan. 1974), and Avengers #125 (July 1974). He returned in an extended storyline that spanned Strange Tales #178-181 (Feb.-Aug. 1975), Warlock #9-11 (Oct. 1975 - Jan. 1976), Marvel Team Up #55 (March 1977), and the 1977 Annuals for Avengers and Marvel Two-in-One (Thanos does not actually appear until the end of Warlock #9). He was also featured in a short backup story in Logan's Run #6 (June 1977) and had a small role in the Death of Captain Marvel graphic novel (April 1982).
The character was revived in Silver Surfer vol. 3 #34 (Feb. 1990) and guest-starred until issue #50 (June 1991), while simultaneously appearing in Thanos Quest #1-2 (Sept.-Oct. 1990) and Infinity Gauntlet #1-6 (July-Dec. 1991). Thanos had a recurring role in Warlock and the Infinity Watch #1-42 (Feb. 1992 - Aug. 1995). This was followed by crossover appearances in Infinity War #1-6 (June - Nov. 1992), Infinity Crusade #1-6 (June - Nov. 1993), Silver Surfer vol. 3 #86-88 (Nov. 1993 - Jan. 1994), Warlock Chronicles #6-8, Thor #468-471 (Nov. 1993 - Feb. 1994), Secret Defenders #11-14 (Jan.-April 1994), Cosmic Powers #1-6 (March-July 1994), and Cosmic Powers Unlimited #1 (May 1995).
Thanos appeared in a connected storyline in Ka-Zar vol. 2 #4-11 (Aug. 1997 - March 1998), Ka-Zar Annual (1997), and the X-Man and Hulk Annual (1998), before featuring in Thor vol. 2 #21-25 (March - July 2000) and the 2000 Annual. The character was next used in Captain Marvel vol. 4 #17-19 (June-Aug. 2001), Avengers: Celestial Quest #1-8 (Nov. 2001- June 2002), and the Infinity Abyss #1-6 (Aug. - Oct. 2002).
In 2004 Thanos received an eponymous title that ran for 12 issues. In 2006, the character played an important role in Annihilation: Silver Surfer #1-4 (June - Sept. 2006) and Annihilation #1-6 (Oct. 2006 - March 2007). The character was re-introduced in Guardians of the Galaxy vol. 2 #24-25 (April-May 2010) and played a major role in The Thanos Imperative: Ignition (June 2010) and The Thanos Imperative #1-6 (July-Dec. 2010).
The character returned in Avengers Assemble #1 (March 2012).[4] A mini-series titled Thanos: Son of Titan by Joe Keatinge was planned for publication in August 2012, but was cancelled.[5]
The character's origin will be revisited and expanded in an upcoming miniseries by Jason Aaron and Simone Bianchi titled Thanos Rising. The first issue will be released in April.