There's A "Firefly" Reference In The "Age Of Ultron" Trailer

Curse your sudden but inevitable betrayal!

Hawk-eyed Tumblr user miniplane saw something amazing in the background of the new trailer for Avengers: Age of Ultron

Marvel / Via gamronline.com

You know who else loved to play with tiny dinosaurs?

Mutant Enemy Productions / Via imgarcade.com

Wash from Joss Whedon's Firefly!

Mutant Enemy Productions / Via mrwgifs.com

We love you, Wash!

Mutant Enemy Productions / Via tvbreakroom.com

<3 <3 <3