User blog comment:Bowser & Jr./WARNING! CHALLENGER APPROACHING! - January 31, 2014/@comment-4554577-20140209203805/@comment-4059089-20140209204218

I think the two are actually very different fighters imo. Mewtwo is normally full-on Psychic, while Lucario also used his fists when he needs to. No reason why they shouldn't be together. It would make fore an amazing showdown.