Question: James P. Starlin is best known for revamping which fictional character cCreated by writer/artist Jim Starlin, the character first appeared in "Iron Man" #55 (February 1973)?

Context articles: Kronos (comics)
Titan (Marvel Comics)
Gamora
Jim Starlin
Death (Marvel Comics)
Thanos
Mentor (A'lars)
Mongul
Drax the Destroyer
Shang-Chi

Kronos ( , ), also spelled as Chronos, is a fictional character appearing in American comic books published by Marvel Comics.
 The character first appears in "Iron Man" #55 (Feb. 1973) and was created by Jim Starlin.
In the fictional Marvel Universe, Saturn's moon Titan is a location appearing in American comic books published by Marvel Comics.
 It is depicted as the home of the Titanian Eternals.
 It first appeared in "Iron Man" #55 (Feb 1973) and was created by Jim Starlin and Mike Friedrich.
 The Titanians, also known as Titans, were later retconned as being an offshoot of the Eternals, which had been created separately by Jack Kirby.
Gamora Zen Whoberi Ben Titan ( ) is a fictional character appearing in American comic books published by Marvel Comics.
 Created by Jim Starlin, the character first appeared in "Strange Tales" #180 (June 1975).
 Gamora is the adopted daughter of Thanos, and the last of her species.
 Her powers include superhuman strength and agility and an accelerated healing factor.
 She also is an elite combatant, being able to best most of the opponents in the galaxy.
 She is a member of the group known as the Infinity Watch.
 The character played a role in the 2007 crossover comic book event "", and became a member of the titular team in its spin-off comic, "Guardians of the Galaxy".
 She has been featured in a variety of associated Marvel merchandise.
 Zoe Saldana plays the character in the 2014 live-action film "Guardians of the Galaxy" and its sequel "Guardians of the Galaxy Vol.
 2".
James P. Starlin (born October 9, 1949) is an American comics artist and writer.
 With a career dating back to the early 1970s, he is best known for "cosmic" tales and space opera; for revamping the Marvel Comics characters Captain Marvel and Adam Warlock; and for creating or co-creating the Marvel characters Thanos, Drax the Destroyer, Gamora and Shang-Chi, Master of Kung Fu.
Death is a fictional character appearing in American comic books published by Marvel Comics.
 The character is based on the personification of death.
 The character first appeared in "Captain Marvel" #26 (Jun. 1973) and was created by Mike Friedrich and Jim Starlin.
Thanos ( , ) is a fictional supervillain appearing in American comic books published by Marvel Comics.
 Created by writer Mike Friedrich and writer-artist Jim Starlin, the character first appeared in "Iron Man" #55 (cover dated Feb. 1973).
Mentor (A'lars) is a fictional character appearing in American comic books published by Marvel Comics.
 The character first appeared in "Iron Man" vol.
 1 #55, and was created by Jim Starlin.
Mongul is the name of two fictional characters that appear in comic books published by DC Comics.
 Writer Len Wein and artist Jim Starlin created the first version of the character, who debuted in "DC Comics Presents" #27 (Nov. 1980).
 Writer Peter J. Tomasi and artist Scot Eaton created the second version, who first appeared in "Showcase '95" #8 (Sept. 1995) as an infant.
Drax the Destroyer (Arthur Douglas) is a fictional character appearing in American comic books published by Marvel Comics.
 Created by writer/artist Jim Starlin, the character first appeared in "Iron Man" #55 (February 1973).
Shang-Chi () is a fictional character, often called the "Master of Kung Fu", appearing in American comic books published by Marvel Comics.
 He was created by writer Steve Englehart and artist Jim Starlin.
 Shang-Chi is an extraordinary master of numerous unarmed and weaponry-based wushu styles, including the use of the "gun", "nunchaku" and "jian".
 He later, upon joining the Avengers, ultimately gains the power to create countless duplicates of himself.