Just like in the first film, Brie Larson had to use a stunt double in scenes where Carol is in the same room with Goose, due to her being severely allergic to cats in real life. Except when Goose is CGI of course.
(at around 43 mins) Monica initially calls Dar-Benn's Accuser weapon a "hammer", before Carol corrects her by saying it's "the Universal Weapon". Kamala says she expected something cooler like "the Cosmi-Rod." In the comics, the terms are both used for the Accusers weapons.
One of the big controversies was the studio requesting digital scans of performers to be used, essentially, however the studio sees fit. Nia DaCosta and VFX Supervisor Tara DeMarco don't speak to that directly on the commentary, but they do talk about the pros of having facial scans of the cast. They took scans of actors making all manner of facial expressions and performances, and then used it to add their face to a stunt performer playing that character. "It wasn't like we just replaced them, we replaced them with them." Usually they hide stunt performer faces with hair or clothing, but this way the actual actor stays at the forefront.
At 1 hour and 45 minutes, this is the shortest MCU film, surpassing O Incrível Hulk (2008) and Thor: O Mundo Sombrio (2013), at 1 hour and 52 minutes each.
The comic book version of Monica Rambeau was code named Captain Marvel, Photon, Pulsar, and Spectrum, among others, in various iterations. Photon, Pulsar, and Spectrum are all among the code names Kamala suggests for Monica in this movie.