You have to crack the torso open, remove the butterfly joint from the torso, and then remove the arm from the butterfly joint. All male marvel Legends have to have the torso cracked if you are removing arms.
How do you display Marvel Legends?
https://www.youtube.com/watch?v=rFe9y0WjZE8
Who invented Marvel Legends?
Hasbro
What was the first Marvel Legends?
The Marvel Legends 6" (six-inch) action figure line began in 2002 and was originally started by the Toy Biz company, later being produced by Hasbro. It is not to be confused with the 3.75" line made by Hasbro beginning 2009, called Marvel Universe.