If you happen to know someone who is an Avenger fan at heart, then this Avenger poster cake for his birthday is all you need to sweep his heart and all those Avenger fans at the party. Get the name of the birthday person printed on the poster to make it a special possession for him. Believe us, this is the best birthday present ever he could wish for this time. <strong> Avoid placing the photo and poster cake in a refrigerator as the chilled droplets can spoil the photo on the top of the cake.