I have the same problem.
I do this:
textBoxFade = new TweenLite(textBoxFrame, 0.2, { alpha:1, onReverseComplete:textBoxPopulate, ease:Sine.easeOut, immediateRender:false } );
My textBoxFrame is faded up instantly, before I call textBoxFade.play();.
Same goes for TweenMax. Removing immediateRender:false makes no difference.
My current workaround is to do a textBoxFade.pause(); directly after the call.
Is this a bug? Am I doing something wrong?