GhostofCain
Ancient Mariner
Also it explains why Metallica change their setlists, Maiden wouldn’t do that also for stage show logistics i.e. props timing and such things.
One could say the main reason Maiden don’t change their setlists is pure laziness, given that there are many songs without props in their shows.
I have done 2 or more Maiden shows every tour since 2006 and by the second one you get a feel of deja vu (no pun intended): same setlist, same choreography, same rants… There is sometimes some deviation from the script (the reaction to the power cut at Earls Court in 2006, Bruce joking with the people on a crane in Oslo in 2008), but that is the exception rather than the rule.
Another possibility is that they want to give exactly the same show to every punter and they’d rather present the same setlist than add some variation to the show.
Your guess is as good as mine.