In Pokemon Red mystery dungeon how do you get Zapdos' friend area?
That would be Legendary Island. You get it when you recrit Articuno, Zapdos, or moltres.
If you're talking about Pokemon Mystery Dungeon Explorers of Time or Pokemon Mystery Dungeon Explorers of Darkness, you can recruit as many Pokemon as you want. If you are talking about Pokemon Mysatery Dungeon Blue Rescue Team or Pokemon Mystery Dungeon Red Rescue Team, you can only recruit a certain number of Pokemon per friend area.
To get mewtwo in Pokemon mystery dungeon you must get Ho-oh to join your team, then a day or two after a cut scene will show a charizard and a blastoise in a dungeon, being defeated by a mystery Pokemon. The if you go to Pokemon square they will come to you and tell you about Western Cavern, that is where mewtwo is. It is a super long 99 floor dungeon which has strong Pokemon…