After this post on reddit, we see a combination of Mei's Ice Wall, Roadhog's Whole Hog and Widowmakers Infrasight. This play caused the enemy team to become trapped and die at a choke. Obviously ultimate cohesion is a big part of the game, but there doesn't seem to be a thread about it here yet. Post your thoughts about what Ultimates would work well together, or what you have seen from first hand experience if you're one of the lucky bastards that got into the beta