Soon, Iron Man will no longer be invincible. He will just be Iron Man. So catch it while you can.
Matt Fraction's reinvention of a lot of Tony Stark's villains has culminated in the Mandarin becoming his captor, forcing him to build doomsday weapons for evil purposes (not to be confused with evil porpoises). It seems the only help he can count on might have to come from his longtime enemy Ezekiel Stane as a quid pro quo. That ain't good.
Get your heapin' helping of Invincible Iron Man #525 preview art from Salvador Larroca, before Ol' Shellhead becomes entirely vincible.