The Marvel Cinematic Universe films are especially known for this, rewarding eagle-eyed fans with cool Easter eggs.
But beyond this new accessibility, many comic book films still pack in references, fan service and Easter eggs for the diehard fans who know every artist and pick up a stack of titles every Wednesday.
The modern comic book movie age has flooded pop culture with characters big and small, from the most well-known to the obscure and strange.
Now, two years after its release, fans have found a tiny (how appropriate) Easter egg in Ant-Man that honors comic legend Jack Kirby.