(W) Nick Spencer (A) Marguerite Sauvage, Jack Morelli (CA) Marguerite Sauvage. Archie's in a relationship-and it's not with Betty OR Veronica. How will his two former loves (and the rest of the female population) deal with Archie being off the market? PLUS: Who is J.B. and why is he wreaking havoc on Riverdale?