User blog comment:Mich, Michele & Kuhla/Future Units Preview/@comment-27309007-20151128141311/@comment-68.46.107.10-20151129172220

Yes, but from what I here you have to do more GQ to get their evolution matieral. And since Gq's are unlocked through beating the Story mode; my guess is you will have to beat Karna Masta at the end to unlock Grahdens and Owens GQ