Here are the results from the previous round:

War Machine (James Rhodes) vs. Mantis 6-8
Amora the Enchantress vs. Rachel Summers 8-6
Moonstone (Karla Sofen) vs. Shanna the She-Devil 8-6
Luke Cage vs. Angel (Warren Worthington III) 9-5
Banshee (Sean Cassidy) vs. Julia Carpenter 4-10
Odin vs. Domino (Neena Thurman) 9-5
The Human Torch (Jim Hammond) vs. Aurora 5-9
Cannonball vs. White Tiger (Ava Ayala) 9-5

You vote for the one who you like more, not who's the strongest one in a fight and have fun:

Moonstone (Karla Sofen) vs. Odin
Amora the Enchantress vs. Mantis
Cannonball vs. Julia Carpenter
Luke Cage vs. Aurora