One commenter replied: “I actually always thought that that was the plan of the show yk.
“I mean didn’t he like, live there with the Professor? (At least during that part of the heist).”
Marseille’s position currently isn’t known, as he was eventually sent to Algeria to dig up evidence of police and government corruption in season four.
Even so, he could have easily made his way back into the hideout off-screen, just in time to catch Alicia unawares and give the Professor the upperhand.
Money Heist Part 5: Volume 1 will be released on Friday, September 3 on Netflix. Volume 2 is coming Friday, December 3.