No, there is no way to currently find Victini in the Dream World in order to befriend it.
You can't. You have to get Victini with an event.
No, Victini doesn't evolve.
No, Victini is unbreedable.
No, victini is an wi-fi event pokemon.
You have to transfer Victini across from the original Black or White.
victini
Victini cannot be found on Black 2 as the event was only for Black and White.
not catch but by Pokemon transfer or the Dreamworld
Victini cannot be caught in Pokémon Black 2.
Victini cannot be found in Pokémon Black 2.
"Pokémon the Movie: Black-Victini and Reshiram and White-Victini and Zekrom"
It's just a display with the Victini.