If you haven't been reading the book and all you've heard of it is "It's the universe where Peter and MJ are actually married," then I regret to inform you the current Ultimate Universe is one of those alt-realities where everything is weird and different.
The only familiar thing is them being married. Uncle Ben is alive and is Jameson's partner as a newsman, the Earth has territories ruled by supervillains instead of recognizeable IRL countries, with The Maker (evil Reed Richards from the original Ultimate Universe) as their overboss, Tony Stark is Iron Lad, not yet a man, no mustache, the universe's native Reed has been forced to become Dr. Doom, et cetera.
Also I think Ultimate X-Men is about Japanese schoolgirls?