User blog comment:Rassilon of Old/Silhouetted characters on the Young Justice: Invasion poster revealed!/@comment-5041329-20120503000106

Clearly Impulse. You can see those head phone things he wears. Kinda looks like a boy with the bow and arrows. Maybe Connor Hawke. But I almost see a pony tail. So maybe Mia (Speedy) or even Cissie (Arrowette) The one with the hood is tough. But maybe it could be Secret?