Here are the results from the previous round:
Black Widow (Natasha Romanoff) vs. Emma Frost 14-8
Loki vs. Angel (Warren Worthington III) 17-5
Crystal vs. Galactus 12-10
Thanos vs. Ant-Man (Scott Lang) 13-9
Kang the Conqueror vs. The Hulk (Bruce Banner) 9-13
Black Bolt vs. Adam Warlock 12-10
Medusa vs. Mr. Fantastic 10-12
Tigra vs. Iron Fist (Danny Rand) 8-14
You vote for the one who you like more, not who's the strongest in a fight and have fun:
Loki vs. Thanos
Iron Fist (Danny Rand) vs. Black Bolt
Black Widow (Natasha Romanoff) vs. Mr. Fantastic
The Hulk (Bruce Banner) vs. Crystal