Kang Will Use a Weapon More Powerful Than a Thousand Infinity

Kang is way more powerful than Thanos, it is said that he will take possession of the Forever Stone which can alter more than one timeline

Marvel: Is Kang More Powerful Than Thanos?

Who is Kang The Conqueror, and what does he want? - Quora

Marvel: Worst Things Kang The Conqueror Has Done In The Comics

Nathaniel Richards (Kang) (Earth-6311), Marvel Database

Kang the Conqueror In Comics Powers, Enemies, History

Ant-Man 3 Can Repeat Infinity War's Best Trick (& Improve It)

Is Kang Stronger Than Thanos? Who's More Powerful

Ant-Man 3 Can Repeat Infinity War's Best Trick (& Improve It)

Who Is Kang the Conqueror? The Marvel History of the MCU Villain, Explained - Nerdist