Unfortunately it's highly improbable that SE will ever give us BLU lb. And even less probable that they will give us ultimates. As it stands only 3200 players even accomplished the "Forbidden Blue" achievement anyway so it's not like there's any truly practical demand for BLU content that would make the effort of giving BLU a lb worth it in the first place. It's just gonna be the same loop ad infinitum, perhaps with beastmaster thrown in there too.