What if naruto is not really Minato and Kushina's child? Tobi and Madara are aware that the child of prophecy must be stopped so they hatch a clone from the mazou (probably cloning nagato) complete with Madara's careful manipulations. Tobi sets out to konaha with a baby in kamui dimension. As he enters the birthing room and steals away Kushina's child, he swaps it with the clone that had explosive tags waiting. With everything now approaching critical mass, Madara's ultimate trump card is that he has secretly removed the real child of prophecy from the equation and the Naruto we have is actually a time bomb set to fail at the right moment.