Originally Posted by Moridin
That's not entirely true. The trilogy built up those numbers by making a good film and then a great film. Then X3 got it's numbers largely off of X2's back.
X-Men - PB $75m -- US $157m - WW $296m
X2 - PB $110m -- US $214m - WW $407m
X3 - PB $210 -- US $234 - WW $459
XOW - PB $150 -- US $179 - WW $373
XFC - PB $160 -- US $146 - WW $353
Casual viewers skipping the subsequent film is more down to declining quality than a different cast.
Quality is definitely a big factor. Singer's own X3 would have been astonishing, no doubt, had he stayed around to do it.
But familiar faces (or lack of) also has an effect. That's evident by the buzz surrounding the return of actors from the original trilogy. Whether McKellen and Stewart willl be enough to lure fans back is another matter; I think they will need some more of the old faces back.
In an alternate future, they could show Jean and Scott as alive. But that could also be confusing for mainstream viewers who don't grasp the 'alternate' concept.
I think most of us would like to see the familiar faces return, as well as the gradual introduction of new characters and the development of secondary characters like Colossus and Jubilee.