Yeah I agree. The Arena mode wasn't really made for these kind of fights where you get hit with 3 Kimis/Kisames fully buffed and just wreck you before you get a chance to do anything. It's like BattleCrier said this doesn't just apply to 3v3 but also to the normal Arena mode. The ninjas are just so different nowadays than they were when the Arena mode first got introduced and it hasn't received any changes since then.