u cant
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.
no you cannot but you can battle latias/latios
probably
After beating the game, you can go to the Dreamyard to find Latios if you are playing Pokemon Black 2 or you find Latias in Pokemon White 2, and after capturing them, they will leave behind an item called the Soul Dew.
You can find Latios on Pokemon Emerald, Ruby, and SoulSilver.
Latios is a non-breedable Pokemon,so no.
Yes, Latios will return in Pokémon Black 2 after defeating him. You just need to return to the Pokémon League building and defeat the Champion in order for it to return.
No legendary Pokemon even latios and latias can have eggs.
No, as you can not legally obtain a Soul Dew on Pokemon Black/White
In Pokemon Sapphire, Latios can be found in Southern Island.
no you can not you have to trade for Latios