Currently Target has 20% off all toys. This stacks with clearance items, a few sets that I was able to get were
44% off - #76001
The Bat Vs. Bane Tumbler Chase
44% off - #76605
Spider-Man Daily Bugle Showdown
50% off - #76006
Iron Man Extremis Sea Port Battle
Galaxy squad sets are 40% to 50% off and if you can find them LOTR sets as well.