Considering her track record, beating Cyclops while being powerless herself... or Crimson Commando... or Forge's triploid hybrids... or stalemating T'Challa (who bested Karnak twice) and sparring with Wolverine... she should be able to easily dominate Karnak in h2h.
Stoic
Agreed. Karnak is a running bum right alongside Triton King of the Aquarium.