There is no possible way to catch Regice in Black or White, unless you use PokeTransfer or Dream World.
No, it is exclusive to Pokemon White. Where you would catch Rufflet in White, you catch Vullaby in Black.
In Pokemon black you catch RESHIRAM and TORNADUS In Pokemon white you catch ZEKROM and THUNDERUS Sources : myself
You can't catch it in Black, but you can catch it in White. In the White Forest.
In Pokémon Black 2 and Pokémon White 2, Regigigas can be found within Twist Mountain however it won't battle you unless you have Regirock, Regice and Registeel with you.
After you catch regiroc you will receive. A key to iceberg chamber
You can not catch Braviary. You have to catch Rufflet in Pokemon White and evolve it.
It is exclusive to Pokemon White, you can't catch it in Pokemon Black. You would need to trade with someone who has white.
you cant catch rayquaza in Pokemon black
You cannot catch Thundurus in Pokemon Black, he is exclusive to Pokemon White.
You can't catch it in Pokemon Black. You'll need to trade for it from Pokemon White.
In black you can catch Reshiram and tornados. In white you can catch Zekrom and thunderos.
you catch one