Adam Kubert draws with thick, expressive line weight and a real feel for impact. His Wolverine and Hulk pages are bruising, and he has moved between Marvel and DC's biggest books for thirty years.
Granov's Iron Man looks machined rather than drawn, with hard reflections and precisely engineered surfaces. Iron Man: Extremis set a visual template that carried through to the films, where he worked on concept design.
Andy Kubert stages superhero stories like film, with wide establishing shots, clean sightlines and a steady build to the hit. He drew X-Men through the nineties, then Wolverine: Origin, Marvel 1602, Batman and Son and Flashpoint.