[Marvel] Nathaniel Richards is the descent of Mr. Fantastic (Reed Richards) in an alternate timeline in the 31st century. He is a sadistic genius who cracked time travel and went back to make reality in his own image by going on the journey to conquer the multiverse He killed countless people that tried to stopped him: The Avengers, X-Men, The Fantastic Four, etc. even their variants. He got used and learned their fighting tactics and strategies that it becomes little to no effort for Kang to kill them