¿Who is stronger, Supergirl or War Machine?

Supergirl is a powerful superheroine hailing from the planet Krypton. She is the cousin of Superman and shares many of his superhuman abilities, including super strength, super speed, and the ability to fly. Supergirl's real name is Kara Zor-El, and she was sent to Earth as a teenager by her parents just before the destruction of Krypton. Like Superman, Kara was raised by adoptive human parents and learned to hide her powers for fear of being discovered. However, she eventually decided to embrace her true identity and use her powers for good, becoming the superheroine known as Supergirl. In addition to her physical abilities, Supergirl also possesses a range of other powers, including heat vision, super breath, and enhanced senses. She is also highly intelligent and skilled in a variety of fields, including science and technology. As Supergirl, Kara fights to protect Earth and its inhabitants from a variety of threats, including supervillains, alien invaders, and natural disasters. She is a member of the Justice League and often teams up with her cousin Superman and other superheroes to defeat their enemies and save the world. Despite her incredible strength and abilities, Supergirl is still a young woman learning to navigate the complexities of life and find her place in the world. She struggles with her identity as both a superhero and a human being, and strives to balance her duties as a hero with her personal life and relationships. Overall, Supergirl is a strong, courageous, and compassionate hero who uses her powers to make a positive difference in the world.

War Machine, also known as James "Rhodey" Rhodes, is a powerful superhero from the Marvel Universe, first appearing in the Marvel Comics series "Iron Man" in 1979. He is a skilled pilot and soldier, and is one of the most respected and admired heroes in the Marvel Universe. War Machine's story begins with James Rhodes, a close friend and confidant of Tony Stark, also known as Iron Man. After serving in the military for many years, Rhodes becomes the head of security for Stark Industries, and becomes one of Tony's most trusted allies. However, when Tony's life is threatened by a number of powerful villains, Rhodes decides to take matters into his own hands. Using his military training and expertise, he builds a suit of armor similar to Iron Man's, and becomes War Machine. As War Machine, Rhodes has access to a wide range of advanced technology and weaponry, including his signature suit of armor. The armor is powered by an arc reactor, and is equipped with a variety of powerful weapons, such as repulsor blasts and missiles. In addition to his physical powers, War Machine is also a skilled pilot and soldier, and has used his military training and expertise to defeat many of the Marvel Universe's greatest villains, including the Mandarin, Whiplash, and the Ghost. Throughout his long and storied career, War Machine has become one of the most respected and admired heroes in the Marvel Universe, and is a member of the Avengers and the Defense Advanced Research Projects Agency (DARPA).