Phil Jiminez is one artist that comes to mind who tries to make his characters' faces look different. But yeah you're otherwise correct, most artists...
They will definitely start with the same costumes with just some minor tweaks (I think Jean's is the one who got updated the most) but I don't doubt...
Oh man, can Al Ewing do no wrong? X-Men Red feels so densely plotted, with so many characters, sub-plots and settings, and yet it doesn't read in any...