Overwatch’s 3 vs. 3 Elimination mode, out since November, turns on its head everything we know about team composition. Heroes beloved in 6 vs. 6 Quick Play and Competitive modes, like Lucio and Torbjorn, are damn near useless in 3 vs. 3, where your priorities are a bit different.
Source: Kotaku – The Best Teams For Overwatch’s 3v3 Elimination Mode