In the scene where Joaquin leaves town, the bus he boards reads San Junipero.
Second time that Jughead is shown in public with out his trademark hat.
Jughead swaps his ticket to see his Mom and Jellybean for a ticket to Citrusville, Florida. Citrusville is the home of Marvel Comics
Man-Thing. Marvel Comics famously crossed over with Archie Comics for "Archie Meets The Punisher." Archie Comics also began creating 'Marvel Comics Digest' books in 2017 (the year this season came out)