Either cheat or transfer it from a GBA game.
You cannot catch Latios in the wild without cheating.
How do you catch latios in Pokemon sapphire
no you can not you have to trade for Latios
No...unless you defeated the Latios...
Dialga
No
i know you can catch a ditto
luck
No.
pee wee Herman
you need a action replay
go to the mansion garden
you can not catch latios with out cheating but thats only for gba