In Liberty garden once you receive the Liberty pass from a wi-fi event.
You can't. You have to get Victini with an event.
Victini cannot be found on Black 2 as the event was only for Black and White.
Victini cannot be found in Pokémon Black 2.
No, there is no way to currently find Victini in the Dream World in order to befriend it.
No, Victini doesn't evolve.
No, Victini is unbreedable.
No, victini is an wi-fi event pokemon.
Victini and all other Gen V Pokemon are not available in HG/SS/D/P/Plat. You can only get them in Black/White
You have to transfer Victini across from the original Black or White.
victini
Victini cannot be caught in Pokémon Black 2.
"Pokémon the Movie: Black-Victini and Reshiram and White-Victini and Zekrom"