Originally posted by Smurphof course it does. There’s a reason Tony and Sentinals both developed nonferrous capabilities to deal with him and he needed to get creative about dealing with them.
Nonferrous doesn't mean dick to Magneto though. And Kryptonian metals don't out-stat Adamantium or Mysterium.
Either way, Cyborgs Heat Vision or ION canon would likely one shot him, shield or no, as both completely disrupt magnetic force/fields.