Originally Posted by Raiden
I'm also sitting at 6/8 covers and I just got a duplicate after opening 10 LB this morning. Right now the only way to get LB is to do the group boss battles, which give you one LB for each battle, and that isn't enough. However, I got Magneto, OS, and Juggy so I'm not too concerned about not getting Constrictor, because imo he's the weakest LB hero among the four.
About the only good weapon I've gotten from the LBs is a Cosmic Flame, a weapon I missed out on from the AvX set and was just put up for sale by PD this week.