Upload & Sell: Off
It may not get 'replaced', but rather supplemented with a model carrying a higher resolution sensor (we may get a 5D III supplement as well, in the same vain).
If Canon upgrades the processor in it, they may even be able to keep the framerate up on the 1D. I can hear the sorrow of Nikon shooters already...
Of course there will be other cameras with higher resolution. But he asked "Indication of a pending new release". A higher resolution camera will of course come. But if that takes 6 months or 3 years we don't know. And later on that new camera will also be replaced with another with even higher resolution