User blog comment:Mckrongs/Monster Hunter 4 Ultimate at E3 2014/@comment-184612-20140603142125/@comment-11685710-20140605072837

I think they'll show stuff about it either in that digital event of Nintendo, a presentation by Capcom or - and this is really unlikely, but still possible - they'll show it in the Nintendo Treehouse stream (which is not listed at all on that site. Or I just missed it) with actual gameplay.