Fans of Marvel's Cinematic Universe were already given a glimpse of what to expect once Peggy Carter (Hayley Atwell) landed her very own series, but now Agents of S.H.I.E.L.D. cameos have given way to Agent Carter - and a brand new chapter of Marvel's expansive fiction has begun.

Unsurprisingly, the two-part premiere of the eight-part series was packed with plenty of seeds that may or may not grow into larger story lines for either Marvel's TV or movie universe. Those who have studied the finer points of every Marvel film released to this point may have caught most, but we're sure that a handful passed by even the most eagle-eyed viewer.

Needless to say, there will be plenty of minor spoilers concerning the future villains or plot twists in our list of Agent Carter Easter Eggs You Might Have Missed, so read at your own risk.

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Daniel Sousa

Agent Carter Easter Egg Sousa Actor Avengers

It didn't take long for Daniel Sousa (Enver Gjokaj) to prove he saw Peggy Carter as more than just a pretty face, but there's a good chance that audiences saw something familiar in the actor as well. That's likely due to the Dollhouse alum's brief appearance opposite Captain America as an NYPD officer during The Avengers' climactic battle.

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Edwin Jarvis

James D'arcy to play Jarvis in Agent Carter

When the series was revealed to be bringing Howard Stark (Dominic Cooper) back from his role in Captain America: The First Avenger, the writers didn't stop there. Joining Howard in his efforts to get the future S.H.I.E.L.D. off the ground is his trusted butler, Edwin Jarvis (James D'Arcy). And if the name sounds familiar, it should.

When the Iron Man film series introduced Tony's AI butler/confidant/partner-in-crime going by the name J.A.R.V.I.S. - an acronym for 'Just a Rather Very Intelligent System' - comic fans saw it as a clear nod to Edwin Jarvis, Tony's boyhood butler. Now that Jarvis is confirmed to have pre-dated the system, it seems Tony is more sentimental than he lets on.

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Lucky Star Cab Company

Agent Carter Easter Egg Cab Lucky Star

As Peggy flees from the scene of her safe-cracking caper, her pursuer catches a glimpse of her making an exit, stepping into a brightly-colored taxi cab. A closer look reveals the cab in question to bear the Lucky Star Cab Company logo: previously seen during the Captain America: First Avenger action sequence when Steve first discovers his powers.

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Roxxon Oil

Agent Carter Easter Egg Roxxon Oil

After appearing in multiple Iron Man films as the go-to oil company for Marvel's film universe, Roxxon once again surfaces in the 1940s as not just the sponsor of the 'Captain America Adventure' radio program, but losing an entire refinery to Howard Stark's stolen weaponry. Though the corporation was pivotal in founding S.H.I.E.L.D., they would later turn their power to more nefarious plots - including a role in the deaths of Howard and Maria Stark.

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Anton Vanko

Agent Carter Anton Vanko Easter Egg Iron Man

The identity of the Soviet scientist consulted by Peggy and Jarvis was spoiled ahead of the show's premiere, but the connection remains one worth noting. The scientist in question is Anton Vanko, a comic book character who began as a colleague of Stark's before returning home to one day craft his own suit of armor as the villainous 'Crimson Dynamo.'

But Marvel already modified that origin story for Iron Man 2, in which Anton Vanko sent his son, Ivan (Mickey Rourke) on a path to vengeance as the armored 'Whiplash.' If we were to bet on the outcome, expect Anton and Howard to part ways on less than friendly terms.

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NEXT PAGE: Villain & Hero References

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Dr. Erskine

Agent Carter Easter Egg Erskine Captain America

Not as much of an easter egg as a nod to the first Captain America film, but when Peggy goes digging for a nitramene 'detector' (and digs up more of her tragic past instead) viewers are shown that the equipment in question is 'Property of A. Erskine.' That's Dr. Abraham Erskine (played by Stanley Tucci) who worked alongside Peggy in turning Steve Rogers into the super soldier fans know and love. VitaRay calibrated, no less.

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Leet Brannis

Agent Carter Easter Egg Leet Brannis

The name 'Leet Brannis' began as a mystery (is it a person, or a place?), but the name actually dates back to the 1940s of Marvel Comics. The character was a minor one, however; little more than a crafty thief often bested by the superhero known as 'the Whizzer' (a Golden Age speedster).

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Whitby's Prospect

Agent Carter Easter Egg Whitby Prospect Tavern

This is more of a nod to Peggy's roots than the comic book characters surrounding her, but an interesting one all the same. When looking over Sousa's planned horse racing bets, Peggy recommends a horse named 'Whitby's Prospect' without any explanation. As a sign that she hasn't forgotten her upbringing across the Atlantic, the Prospect of Whitby happens to be London's oldest riverside tavern, founded as early as 1520 on the banks of the River Thames.

The pub was featured in a scene from D-Day the Sixth of June (1956), also a tale of an American soldier falling for an English servicewoman during WWII.

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Leviathan

Agent Carter Easter Egg Leviathan

As far as ominous-sounding, clandestine organizations go, Leviathan is hard to beat. But with little known about the group (aside from the vocal... eccentricities of its members), the future of the group's interactions with S.S.R. - and later, S.H.I.E.L.D. - is a mystery. But there is one group from the pages of Marvel comics that shares the name. And if it's one and the same, then Agent Carter is going to be packing some surprises.

Following World War II, it was the Americans who escalated their espionage game with S.H.I.E.L.D.; for the Axis powers in Europe, it was HYDRA; and for the Soviet Union, it was Leviathan. Once the group had grown to 100,000 strong throughout the Cold War, they disappeared entirely. They disappeared into stasis with the help of an alien race known as The Brood. The plan to create an army of super soldiers failed, but released thousands of monstrous creatures upon the world.

That seems like an ambitious bit of mythology to add, but with the alien/human plot lines established already in Agents of S.H.I.E.L.D., it's possible the writers may be swapping one alien race for another.

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Goodman, Kurtzberg & Holliway

The Definitive Guide to Marvel’s Coexisting Legacy Superheroes

When Angie (Lyndsy Fonseca) finally convinces Peggy to give her apartment building a chance, she informs her of the comings and goings of the other tenants, giving particular praise to a mysterious 'Mary' - "a legal secretary at Goodman, Kurtzman & Holliway." That law firm isn't a random combination of names, but one pulled right from the comic book pages; specifically, the place of employment of Jennifer Walters, a.k.a. She-Hulk.

In the comics, the law firm of Goodman, Lieber, Kurtzman & Holliway is named for Marvel founders Martin Goodman, Stan Lee (born Lieber), Jack Kirby (born Kurtzman), with Holden Holliway the only named partner seen.

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Conclusion

Agent Carter cover

Those are all the Easter eggs, bits of comic book trivia, and subtle references fans can look out for - but if you have any that we missed, please share them in the comments.

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SEE ALSO: Agent Carter Premiere Review

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Agent Carter airs Tuesdays on ABC @9pm.

Follow me on Twitter @andrew_dyce for more Agent Carter updates as well as movie, TV and gaming news.