VIDEO : The Funko Buy 3 Get 1 Free Sale Keeps Getting Better

The colossal buy 3 and get 1 free Funko Pop sale over at Entertainment Earth is changing every day. Hard to find figures are being added and favorites are selling out fast. According to ComicBook.com, there are a few Funko Pop figures that collectors may want to grab while they still can. The Avengers: Infinity War Hulkbuster 6-Inch Pop is selling fast, as is the Batman 75th Anniversary collection.