¿Who is stronger, Ego or Thanos?

Ego the Living Planet is one of the most unique and powerful villains in the Marvel Universe. First appearing in Thor #132 in 1966, Ego is a sentient planet with the ability to manipulate matter and energy on a massive scale. Ego was originally a planet that formed naturally in space. However, over time, Ego developed sentience and began to manipulate its own physical form. Ego's powers allow it to shape-shift and even create life on its surface. Ego's consciousness also extends beyond its physical form, allowing it to communicate telepathically and project its will over vast distances. Despite its immense power, Ego is often depicted as a lonely and isolated entity. Ego has spent eons drifting through space, searching for meaning and purpose in its existence. Ego's interactions with other beings are often colored by its desire for companionship and connection. Ego has clashed with numerous superheroes over the years, including Thor, the Fantastic Four, and the Guardians of the Galaxy. Ego's powers and strength make it a formidable opponent, and its vast size and ability to manipulate matter and energy make it nearly invincible. Overall, Ego the Living Planet's superpowers and strength make it one of the most unique and interesting villains in the Marvel Universe. Its complex motivations and desire for companionship add depth and nuance to its character, making it more than just a one-dimensional villain.

Thanos is a powerful and malevolent character from the Marvel Universe, first appearing in the Marvel Comics series "The Invincible Iron Man" in 1973. He is a powerful alien warlord from the planet Titan, and is one of the greatest threats faced by the Marvel Universe. Thanos' story begins on the planet Titan, where he was born as the son of Eternals A'Lars and Sui-San. From a young age, Thanos was obsessed with death and the pursuit of power, and he quickly rose through the ranks to become one of the most feared and respected figures in the Marvel Universe. As a result of his Eternal heritage, Thanos possesses a number of superhuman abilities, including strength, speed, agility, durability, and regenerative powers. He also has access to advanced technology, including a suit of armor that enhances his physical abilities and a number of powerful weapons, such as the Infinity Gauntlet. The Infinity Gauntlet is a powerful artifact that allows Thanos to manipulate time, space, and reality itself. With it, he is able to erase entire galaxies from existence, and has even been able to defeat some of the most powerful beings in the Marvel Universe. Throughout his long and storied career, Thanos has clashed with many of the Marvel Universe's greatest heroes, including the Avengers, the Guardians of the Galaxy, and the X-Men. Despite their best efforts, these heroes have often struggled to defeat Thanos, making him one of the most formidable and dangerous villains in the Marvel Universe.