Amazon America currently has LEGO Superheroes 6869 Quinjet Aerial Battle on sale for $54.6 (reg.$69.99). Savings work out to be 22% off. Free shipping on orders above $25 and no tax for most states. More of their hottest LEGO deals can be found here.
Tip: Don’t forget to add the Amazon Gund Bear 2012 Plush ($29.99 value) as you can most likely get it for free when you spend $75 or more on qualifying toys. Most LEGO items qualify and you’ll know when you see the Bear for $0 in your shopping cart (when you have $75+ in qualifying toys).