Well, when I play Origins I only normally hit the box a maximum of 4 times so as not to move it as I play for major high rounds and can do without the fire sales, and in my last two games I got the Mark II within those 4 hits.
I don't think it has been made more difficult to obtain via any update... I think it is, and always has been purely random.
No an update never affected it, its been like that ever since Origins came out for me, i've probably had the Mark 2 at most 10 times on it (and i've played it way more than that), while i know it is random, it definitely does have a lower box config for it than other maps, maybe because of the staffs and the Boomhilda but like playing on Buried, I think of the Mark 2 in my head and i get it out the box so easily
Post Merge: May 27, 2014, 11:41:58 am
Also Buried is the only map where everyone can get it, on all other maps only one is allowed, but it does seem like it's extra specially rare on Origins tbh, but seeing as the Boomhilda is basically a single shot version of it I guess it makes up for it 
Yes and i somewhat understand why it has those rules of how obtaining it but im not a fan of the Boomhilda because of its single shot capability - some prefer that, i like the triple fire ability of the Mark 2 - more likely to save your life (and also everyone can get it on your map Stevie i hope? I've completely lost interest in the Ray Gun (1) now, I never take it and its hard to realize that the Mark 2 isnt on the BO1 maps, would be so awesome if it was)