Another clue:
1) A man makes an appointment to see someone on a Tuesday
2) The man has not been sleeping in a proper bed and has been scrounging whatever he can from people for a little while previous to this appointment
3) The man is stuck somewhere for a significant amount of time after this appointment, so that he can fulfill a promise
4) Previous to arriving at this place where he becomes stuck, the man had a trip on an aeroplane
X-men?