You can only play the Marvel Toy Box games with Marvel characters, and the Disney Toy Box games with Disney characters.

Once you've beaten the first level in the Toy Box Games you will unlock a "Defense Survival Mode" and an "Exploration Survival Mode". In these modes, you can mix and match all of the characters from Marvel and Disney!

Marvel Toy Box Games

• Escape the Kyln: Unlock "Exploration Survival Mode" to use a Disney Original character
• Assault on Asgard: Unlock "Defense Survival Mode" to use a Disney Original character

Disney Toy Box Games

• Brave Forest Siege: Unlock "Exploration Survival Mode" to use a Marvel character
• Stitch's Tropical Rescue: Unlock "Defense Survival Mode" to use a Marvel character