Unlikely, I think; for a start, they won't be flying to the US anytime soon, as they don't have an oversight authority acceptable to the US. Secondly, even if they did, they would be doing so n/s; that's what the A340-500s were bought for. They certainly wouldn't use LHR slots, even if they could get the green light for the right to do so.
However, I expect more routes to be added next year, beyond the GLA and VIE already announced.