To be honest, it's such a detail, I'm not even sure if it was intentional. So, here it is.
, Bethany asks Jay how they got to Illinois. Jay tells the story of John Hughes and Shermer, IL, and here's the important quote:
"Then it hits me, we could live like fat rats
if we're the blunt connection in Shermer, Illinios, so we collected some money we were owed and caught a bus."
But, in Strike Back
, when they try to go to Hollywood by bus, Jay is shocked:
"Tickets? Since when did they start charging for the bus? Didn't we used to ride that shit to school every morning for free?"
Showing that they didn't ride a bus since school days.
Therefore, the bus ride to IL had to take place after