Ok...let's see.. it WAS a major game...can't be SMB1, he wore tan and red, can't be SMB3, he wore black and red...can't be SML1 or 2, those weren't in color...Not SMW... Ok. It's either Mario Bros. or Super Mario Bros. 2. Okay. My final answer will have to be, again, Mario Bros.
King Boo isn't dead! He will return...