This week from October 19-25, Toys R Us Canada will be offering a free LEGO Super Heroes Minifigure Collection as part of the Bricktober promotions. Spend $75 or more on LEGO building sets and you can get it for free.
In terms of LEGO sales, they have 20% off ALL $39.99 and under LEGO City building sets, 20% off ALL LEGO DC Super Heroes Building sets and 20% off select LEGO Technic.