Strangely enough, the only Wii games I purchased that were developed by Ubisoft are titles from the Raving Rabbids series and the Red Steel series, which were series that were started with the Wii's release in 2006.
Since the launch, I've purchased Rabbids Go Home. The first game was funny and unique, and I've been a fan of the characters ever sense. I'll also be purchasing Red Steel 2, as I enjoyed the first one (despite its many flaws) and can't wait to see what they've been doing with WM+.
That's it. I've never bothered to purchase any other title developed by them. I really enjoyed their enthusiasm with the Wii as the console was in its infancy. Games like Red Steel and RRR were treated as flagship Nintendo Wii titles... and they sold like 'em too. I just wish that they would regain that enthusiasm for Wii, I saw a spark of it with Red Steel 2... but other than that... well. I just haven't seen it.