Guardians of the Galaxy Vol. 3 - Easter Eggs & Hidden Details

Howard the Duck, voiced by Seth Green, makes another cameo appearance. He can be seen playing a card game on Knowhere with Kraglin, Cosmo, and others. Howard has appeared in all three Guardians of the Galaxy films.

In the final post-credits scene, Peter Quill's grandfather is reading a newspaper with the headline "Alien Abduction: Kevin Bacon Tells All." This is a direct and humorous reference to the events of The Guardians of the Galaxy Holiday Special, where Mantis and Drax kidnapped the actor as a gift for Peter.

One of the super-powered children rescued from the High Evolutionary is named Phyla. In the mid-credits scene, she is shown as a member of the new Guardians team. This is Phyla-Vell, a major cosmic hero from Marvel Comics who has been a member of the Guardians and has held the mantle of Quasar and Captain Marvel.

While Lylla the otter is formally introduced in this film's flashbacks, her name appeared as an Easter egg in the first Guardians of the Galaxy (2014). When the Guardians are being processed by the Nova Corps, Rocket's file lists his known associates as Groot and "Lylla."

Several actors from other James Gunn projects and MCU properties have voice or brief physical cameos. Linda Cardellini (Laura Barton in the MCU) voices Lylla, Judy Greer (Maggie Lang in Ant-Man) voices War Pig, and Pete Davidson (from Gunn's The Suicide Squad) voices an alien named Phlektik.