E! Online reports that the producer of the Spider-Man series told theater owners that Spider-Man 4 won't reach theaters before 2011 as there is not a script and Tobey Maguire and Sam Raimi aren't on board yet.
From what I understand, yes, it is normal for him to switch in game, based upon the match up (which side is the hitter's weaker side). Here's another video about him: