Another comic book movie means another batch of Easter eggs, references and trivia. Check out our 9 favorite hidden gems from Avengers: Age of Ultron, then head to our wiki to add the ones you found.

Avengers: Age of Ultron Review

Crimson Cowl

Stan Lee Cameo

The red cloak Ultron wears is a nod to his first comic book appearance in Avengers #54 as the Crimson Cowl.Also, that version of Ultron was Ultron-5, and we get a nod to that when we see it’s the #5 Iron Legion drone that becomes Ultron in the movie.

If Cap Be Worthy

Marvel Comics legend and Avengers co-creator Stan Lee has a cameo as a war veteran at the Avengers Tower party. He even gets drunk and says his signature phrase, “Excelsior!”

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Comic Book Source Material

Also during the party, Captain America is able to move Thor’s hammer just a nudge. At times in the comics, he’s able to lift if fully.

Black Panther Setup

Age of Ultron is a completely different story in the comic -- one that barely features Ultron, if you can believe it. The movie gets its main inspiration from Ultron Unlimited (where many Ultrons ravage a foreign nation), Avengers #16 (where Scarlet Witch and Quicksilver turn from terrorists to heroes), and The Invincible Iron Man, Vol. 3 #26-30 (where Iron Man’s armor gains deadly AI).

Ulysses Klaw gets his arm chopped off, setting him up to become Black Panther villain Klaw, who has a sonic weapon where his hand used to be.

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Speaking of Black Panther, who is getting his own movie in 2018, Bruce Banner mentions Wakanda, the nation that Black Panther rules as king.