Back in episode 4, there is a Bingo game going on, but the letters and numbers called out are not normal. They are B-22, G-15, B-7, N-39, I-22, and T-16. Some of those numbers do not match the standard numbering and, of course, there is no T in Bingo. I found this article that shows the numbers, both called out and actually on Marc's card, reference specific comic book issues, several of which seem to connect to the show.
Moon Knight Episode 4 has so much confusing things going in that there are a lot of questions that are longing to be answered especially on the latter part of it when the scene changes to the mental institution after Marc gets shot to the chest. A lot of “what just happened” came out of...
epicstream.com
Has anyone seen anything other theories?