Hey Michael, really thanks for the reply. I solved using this code:
$(window).load(function () {
$("h2").blast({ delimiter: "letter" });
var tl = new TimelineMax({delay:1, onComplete:completeHandler});
tl.staggerFromTo(".blast", 0.15, {autoAlpha:0}, {autoAlpha:1},0.2);
function completeHandler()
{
$("h2").blast(false);
}
});