Raimi has admitted previously that shooting Spider-Man 3 was exhausting, so he's understandably daunted by the prospect of shooting two special-effects laden blockbusters at the same time. "It would be a real endurance test, probably only Peter Jackson knows how hard something like that would be."
P.S.: You are SO screwed."
"Dear Gore and Bob,
Did you really make two films, or do you just BELIEVE you made two films? Whether or not you believe you did, the problem is choice. Although you have already made the choice but just don't understand that choice. But choice is just a word, like karma. Was it in your karma to make two films in a row, or did your failure to understand your choices reduce your ability to understand your karma, ergo making you an eventuality of an anomaly in Hollywood, which left unchecked could destroy the very foundations with an escalating probability of disaster. Denial is the most common of all human emotions, and already I can see the chain reaction, the chemical precursors that signal the onset of an emotion, an emotion designed spefically to overwhelm logic and reason, an emotion that is already blinding you from the simple and obvious truth; YOU DIDN'T REALLY MAKE TWO FILMS IN A ROW!
But we REALLY REALLY did, so myeh!
Larry and Andy"