Name the first game that every playable fighter in Super Smash Bros. Ultimate appeared in. I got my data from what is obviously the best source of information, Reddit. Here's the link I followed: https://docs.google.com/document/d/1neafJIJutTLUNaNa2mYwpeXb6v8ZhgRPaPRsk5J4jIU/edit
Cameos do not count as a debut.
Banjo technically debuted in Diddy Kong Racing without Kazooie, and since he's a playable character that is more than a cameo. However, they are together in Smash, so I will be including the first game in which they appear together.
Only the console of original release will be included.
For the opposite of this quiz by Insaniot, who inspired this quiz, go here: https://www.jetpunk.com/user-quizzes/259361/super-smash-bros-character-debuts