Wingman
So I don't know if this has been suggested, but I think there should be a game mode where there's five teams of 2, all working against each other. The objective i think would be a little different then killing one nexus, but instead killing each enemy team's nexus once. To win, your team of 2 would have to be the first team to kill all 4 enemy nexus's. I think there would be about one tower in the way, and then two towers guarding each nexus for each team.
How it would be possible to kill a nexus and have it also be there for another team to kill, I don't know...but this is just a scratched up idea .
Thoughts?