First Steps” is the third Marvel movie to hit theaters this year, but it packs way more hidden references and nods than “Captain America: Brave New World” or “Thunderbolts.” It’s not on the same level of Easter eggs as last year’s “Deadpool and Wolverine,

Warning: This article contains spoilers for Superman.] “3 CENTURIES AGO, the first superpowered beings, known as METAHUMANS, appeared on Earth, ushering in a new era of GODS AND MONSTERS.” Those are the words that open James Gunn’s Superman movie,

In the movie, which kicked off the theatrical arm of Gunn's DCU Chapter One earlier this month, the Justice Gang is a team of heroes funded and managed by LordTech's Maxwell Lord (Sean Gunn). The Hall of Justice is their base but, in the comics, it served as headquarters for the Justice League (AKA Superman, Batman, Wonder Woman, and co.).

Superman is filled with subtle DC Universe Easter eggs that reference iconic elements from the comics. Billboards for Jitters Coffee and Big Belly Burger nod to well-known DC locales, while street signs labeled "Ross" and "Waid" pay tribute to comic book legends Alex Ross and Mark Waid, whose work has heavily influenced Superman's legacy.

James Gunn confirms that there is an Easter egg in Superman, now playing in United States theaters, that teases some future DCU casting.