Multiplayer beat-em-up games for Nintendo Wii with local/couch support

Super Smash Bros. Brawl

Players: 2 local, 2 online

Ben 10: Alien Force

Players: 2 local, 0 online

Megamind: Mega Team Unite

Players: 4 local, 0 online

Marvel Super Hero Squad The Infinity Gauntlet

Players: 4 local, 0 online

Power Rangers Samurai

Players: 2 local, 0 online

WWE Smackdown vs Raw 2009

Players: 3 local, 0 online

Double Dragon

Players: 2 local, 0 online

Burning Fight

Players: 2 local, 0 online

Ninja Combat

Players: 2 local, 0 online

Double Dragon II: The Revenge

Players: 2 local, 0 online

River City Ransom

Players: 2 local, 2 online

King of the Monsters 2: The Next Thing

Players: 2 local, 0 online

Sengoku

Players: 2 local, 0 online

Sengoku 2

Players: 2 local, 0 online

Sengoku 3

Players: 2 local, 0 online

Brawl Brothers

Players: 2 local, 0 online

The Combatribes

Players: 2 local, 0 online

Shadow of the Ninja

Players: 2 local, 0 online

Rival Turf!

Players: 2 local, 0 online

Alien Storm

Players: 2 local, 0 online

Altered Beast

Players: 2 local, 2 online

Final Fight 2

Players: 2 local, 0 online

Final Fight 3

Players: 2 local, 0 online

Downtown Special: Kunio-kun no Jidaigeki da yo - Zenin Shūgō!

Players: 2 local, 0 online