The description for Wario's star constellation in Mario Party 9 has this to say :
Maybe not entirely intentional, but it sure sounds very WarioWare to me.
Also, I looked up the
Wario profiles page on Mario Wiki out of curiosity and appearently there are some Land and Ware references in the Mii dialogues that concern Wario, mainly :
-Wario's a big greedy adventurer, right? Makes me wonder if he's thinking about treasure even while he's competing in the Games. I mean, I saw him leap into the sea a little while ago because he thought he saw gold. Turned out it was just an old shoe, which really steamed him good!
-Wario has quite the resume, don't you think? He's a treasure hunter, an adventurer, and even the CEO of WarioWare, Inc. What a Renaissance man!
-Wario sure does love money! I mean, sure, we all love money, or at least like it a lot. But he takes it to a whole new level! I hear he founded a company to help him make coin, but I think he's more into get-rich-quick schemes than good, honest work. Nothing's too sleazy for him!
I never bothered with Rio 2016, since I'm just sick of the Mario & Sonic series, so this is new to me.