No.
You can only get latias in pokemon black 2 by link trade or poke-transfer, but you can get latios in pokemon black 2.
How do you catch latios in Pokemon sapphire
You can't possibly catch latios in Pokemon diamond although you may get it there by using your ruby version if you have one to import it to your diamond. another way is to buy an action replay and cheat
Crystal is a GEN:2 game while Latios is a GEN:3 pokemon. (so no)
You catch them with a ultra ball
no you can not you have to trade for Latios
You can't catch entei in Pokemon black he is on a different version
Yes you can catch Reshiram in Pokemon black and you can catch zekrom in Pokemon white hope it helped.
No...unless you defeated the Latios...
No
You can't catch one.You need to trade it from Pokemon Diamond/Pearl/Platinum version
you cant