There have been hundreds of hidden cameos in the ultimate series, you just have to find them.
EG - Eddie Brock makes his first appearence in one of the early issues with Justin Hammer, he is a reporter.
And when Spidey goes on google to look-up Felicia Hardy, all the names of cat-burglers are names of well known marvel villains.
And when ever a name is mentioned, it's probably the name of a lesser known marvel character.
I'm still looking forward to ultimate John Jameson, cuz JJJ hinted that his son's body was taken away for 'analysis'...
Just like with Carnage Bendis has completely changed the character.Hobgoblin has absolutely NOTHING in common with 616 Hobgoblin.
In fact the only thing Ultimate Green Goblin had in common with 616 Green Goblin is that he was Norman Osborn.Thats it.
Carnage and Hobgoblin aren't even the right people in USM.Pity.