Mad Hatter if he fiddles with the helmet....but not like this
Originally posted by Soljer
Poison Ivy.
not a chance in hell. magneto can immobilize her, reverse the iron in her blood and KO her half a continent away, then fling the remains into orbit.
Magneto is a team wrecker like apocalypse, Graviton, Ultron, etc. If there was anyone in batman's rogue's gallery with a prayer of taking him out, batman wouldn't be able to handle him on his own. He'd be a JLA-class villain.