You have to take Landorus to the Abundant Shrine, on Route 14. Doing so will give you an item that lets you transform Thundurus, Tornadus and Landorus.
tornadus can only change form in black and white 2, not black and white.
No, Tornadus cannot evolve in Pokémon Black however as of Black 2 and White 2, it is capable of changing forms.
no
No, you do not get Tornadus in Pokémon Black 2 or Pokémon White 2. Tornadus is only available through the Dream Radar in-system 3DS Shop application that is exclusive to the Nintendo 3DS.
White 2: White Kyurem Black 2: Black Kyurem Black 2 and White 2: Therian forms of Tornadus, Thunderus and Landorus.
Thundurus is in White only. Tornadus wanders around after talking to a certain NPC, just like thundurus
You can't make it transform in Pokemon Black, only Black 2 or White 2.
Tornadus cannot be found in Pokemon White 2.
The only way to get tornadus in therian forme is by getting it in dream radar (a pokemon game) and transfering your tornadus, thundurus and landorus to black 2 and white 2. To get dream radar you need to have 3ds and go to the eshop.
In Pokémon White 2, Thunderous can be found in the Abundant Shrine after you have defeated the Elite Four and become the Champion. You will need to have the ability to access the shrine by using the event that involves the Pokémon Tornadus, which can be found in Pokémon Black 2. After you have Tornadus, return to the shrine, and Thunderous will appear for you to battle and catch.
Tornadus cannot be found in Black 2.
You will have to transfer Tornadus from the Dream Radar application or you will have to arrange a trade with another player because Tornadus cannot be caught in Pokémon White 2.