Things are really getting interesting now. We're moving on to the second round.
Here are all the match-ups (with each remaining competitor's odds of being crowned the ultimate hero).
KRYPTON BRACKET
Luke Skywalker (5:1)
Odysseus (75:1)
Frodo (75:1)
Thor (25:1)
Percy Jackson (50:1)
Lara Croft (100:1)
Wolverine (15:1)
Katniss Everdeen (8:1)
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GALAXY FAR, FAR AWAY BRACKET
Superman (1:1)
Mario (100:1)
Obi-Wan Kenobi (5:1)
Captain America (20:1)
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Gandalf (30:1)
Buffy the Vampire Slayer (75:1)
Scooby Doo (100:1)
Han Solo (2:1)
MIDDLE EARTH BRACKET
Harry Potter (3:1)
Iron Man (15:1)
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Princess Leia (10:1)
Spock (100:1)
John McClane (50:1)
Sarah Connor (75:1)
Wonder Woman (5:1)
James Bond (15:1)
HOGWARTS BRACKET
Batman (3:1)
Hermione Granger (30:1)
Neo (50:1)
King Arthur (75:1)
Rocky Balboa (100:1)
Lisbeth Salander (75:1)
Jack Sparrow (15:1)
Indiana Jones (2:1)
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Odds to be the last hero standing:
1:1 Superman
2:1 Han Solo
2:1 Indiana Jones
3:1 Batman
3:1 Harry Potter
5:1 Luke Skywalker
5:1 Obi-Wan Kenobi
5:1 Wonder Woman
8:1 Katniss Everdeen
10:1 Princess Leia
15:1 Jack Sparrow
15:1 James Bond
15:1 Iron Man
15:1 Wolverine
20:1 Captain America
25:1 Thor
30:1 Gandalf
30:1 Hermione Granger
50:1 John McClane
50:1 Percy Jackson
50:1 Neo
75:1 Buffy the Vampire Slayer
75:1 Frodo
75:1 Lisbeth Salander
75:1 Odysseus
75:1 King Arthur
75:1 Sarah Connor
100:1 Lara Croft
100:1 Mario
100:1 Rocky Balboa
100:1 Scooby Doo
100:1 Spock