Preview for Fantastic Four #567, Part II of "The Masters of Doom".
But I suspect the developments here will make people happier:
I'm guessing that the Marquis put him in some kind of fantasy world.
Another demonstration of how, for all Doom's pretensions, he's really just driven by envy for Reed's life. His fantasy world is one where Reed's best friend is his best friend, he's shagging Reed's wife, and he has all his stuff.