Originally Posted by TWayneP
They may seem like odd choices, but they would have changed the movies entirely. having x3 focus JUST on the cure would have been benefitial, and may have led to an x4 with the Phoenix. X3 would have been an entirely different film! Cyclops could have had more development and jean still could have had a presence but only in his mind etc.
I think it should have been the other way around
X3 focuses on Dark Phoenix especially the fans were really expecting to see Jean back with the Phoenix force.
X4 focuses on the cure, the government went ahead with the mutant cure project after the events of the Dark Phoenix saga.