Mute v Firestorm:
As weve seen, Firestorm has less difficulty than some people think in performing an OOTA, so, unless Mute can perform a BITA...Firestorm

Storm 2 v Grim Reaper:
Storm 2

Thermy v Typhoon:
Typhoon, but I like Thermidor more.

M2 v Atomic:
Atomic