To play devil's advocate, I'll just say that professional artists "usually" can tweak/change their style if need be to make the current client happy.
As a Maiden fan, I'm sure the guys in the band have some idea to what they'd love to see put on/in the game and if DD has inDEEd been tapped to answer the Maiden call then I'm sure he's sweating SOME bullets to a degree...
Rigg's iconic Maiden imagery has inspired many a metalhead youth from the 70's and 80's (DD included ) to actually pick up a pencil/pen for the first time during school hours and sketch out the latest Eddie album pose as best they could.
I know I did.
I'll give DD the benefit of the doubt and trust in that magical feeling he had sketching Eddie all those years ago to make Stern's newest* Iron Maiden machine the best (post 80's) Stern art package to date.
*Yes Stern has already done an "Iron Maiden."
This is the band's machine so no need to remind us about the old one...unless they do a vault edition of that- which undoubtably would be awesome.