First you have to beat the great maze by defeating all of the subspace clones and when you so that you have to defeat Tabuu. (Good Luck!)
In Classic Mode, you defeat him. In Subspace, Tabuu kills him for power.
The easiest way to unlocking lucario is to find him on the Subspace Emissary when you defeat him as Meta Knight or defeat Meta Knight as Lucario.
beat toon link in the subspace emissanary or play 400 brawls then defeat toon link and you get the ship.
By completing SSE (Subspace Emissary or Adventure Mode.)
Kill tabuu.
You have to complete the Subspace Emissary.
In the subspace emissary mode.
you have to beat the levels in subspace emissasary also when you do that it is the EASY way to get characters
He is very real.Get up to the Subspace level in The Subspace Emmisarymode in Super Smash Bros. Brawl and see for yourself.
Sonic will appear during the final battle in the Subspace Emissary
There are 3 ways: 1. play on Shadow Moses Island 15 times then defeat him. 2. Play 130 brawls then defeat him. 3. Have him join you on the Subspace Emissary.
complete the subspace elimsbisary