Update: You can also get a free TMNT Flash Shredder minifigure Polybag (5002127) with any LEGO Teenage Mutant Ninja Turtles purchase. (thanks StClair)
LEGO Shop at Home (USA | Canada) is currently offering a free LEGO 5001623 DC Universe Super Heroes Jor-El Minifigure with ANY DC LEGO Super Heroes purchase. It does not matter what amount it is, as long as its DC Universe Super Heroes LEGO, you get the minifigure! Thanks to forum member Marcus70 for the heads up.