In short, 2007's Transformers was "just the tip of the iceberg" from screenwriters Alex Kurtzman and Robert Orci to MTV Movies Blog. Where the "boy and his car" theme was the emotional thrust of the first film, Revenge of the Fallen will be "a different kind of narrative with a different emotional centerpiece."

Read the rest of the article here, but do be warned that it may be spoiler-ish, so read at your own risk.