No, they won't. This is because these Pokemon are not even created yet so it will require for Pokemon Emerald to be modded. This is indeed possible, but the content needed to do so by adding all the new Pokemon is too great so it will not happen.
Trading from Emerald is your most probable option.
Use action replay DS for Pokemon Diamond
You need an action replay. Or you beat emerald and migrate the chickorita
You cannot clone Pokemon and items on diamond and pearl and platinum, but you can in emerald!
you need Pokemon emerald pass all rare candies
On diamond if you have an action replay just type in pokerus for a cheat so, do the same with action replay on emerald.
buy a action replay then go to youtube everythings on sale Pokemon emerald and get the code
You need an Action Replay for GBA or GBA SP. Stick your action replay in your Gameboy. Stick Pokemon Emerald in the action replay. Type i n the code.
Action replay
You can't. You must Migrate them from Pokemon Sappire, Ruby, or Emerald. or use AR (action replay)
You can get the code on google and type in Pokemon Emerald ation replay cheat codes.
For which Pokemon game???????????????? Pokemon LeafGreen Pokemon FireRed Pokemon Sapphire Pokemon Emerald Pokemon Ruby Pokemon Diamond Pokemon Pearl