[1] A brilliant scientist who occasionally suffers from debilitating mental illness, he is responsible for creating the Metal Men and serves as a general robotics expert among the superhero community.

[2] In an attempt to boost sales of the comic book, Magnus was temporarily reimagined as a fugitive bent on world conquest after a mad dictator brainwashes him.

Egg Fu kidnaps Magnus and forces him to make a new Plutonium Man, but he refuses to do so and instead recreates the Metal Men.

[2][3][4][5] In the 2011 New 52 continuity reboot, Magnus creates the Metal Men to execute search and rescue missions that humans cannot tackle.

[8] An alternate universe variant of Will Magnus, with elements of Bolivar Trask, appears in the Amalgam Comics one-shot Magneto & the Magnetic Men.