Amazon has the Avengers Blu-ray/DVD Combo on sale today for $19.96 (reg $39.99), shipped free with Amazon Prime or with orders over $25.00.
The Avengers Movie teams up Iron Man, The Hulk ,Thor,and Captain America.
If you want to get caught up on the other movies, Iron Man2 Blu-ray is priced at $9.99. You can watch Thor and Captain America for free with a one month trial on Netflix.
Click here for a free Redbox Rental Code