Probably.
No but as a sticker yes.
Answer: Spongebob is going to be in ssbb untill March 2th.
Sonic is in SSBB.
rosalina is not a character in ssbb
You can't get tails in SSBB.
Why the heck would they call it SSBB 2? Nintendo is usually more creative then that. It would be called Super Smash Bros. Frey or Tussle or Something like that. Also, no.
he is not a playable character in ssbb
No. You cannot get Darkrai in SSBB, even with hacking.
There are no looney tunes characters on SSBB.
no you cant SSBB is only WII
This character doesn't exist in ssbb.