Oh, Tony. Figures you have to be brain dead to get your character back. Because of course you'd give Thor the ultimate authority over whether the plug gets pulled or not, no matter how much he hates you right now.
However, I have a feeling Tony's supposed to have a plan beyond "my most complete and dramatic self-destruction yet", and this does not quite fly for me. This is Tony we're talking about. Plan A is almost always "dramatic heroic suicide", followed by a quickly-improvised Plan B if and only if Plan A fails or is shot down by his friends. Since Plan A seems to have gone off without a hitch, I look on the existence of Plan B with suspicion.