His plan was to use Emma Frost in X3, alone, I think.
The Cure storyline would've been good, but the problem was that they told Ratner that this would be the last X-Men movie and to do the Cure storyline. Also, they had to deal with Singer's Phoenix story and Marsden not being able to do the film since he was to busy with Superman.
The Cure storyline would've been good, but the problem was that they told Ratner that this would be the last X-Men movie and to do the Cure storyline. Also, they had to deal with Singer's Phoenix story and Marsden not being able to do the film since he was to busy with Superman.