Each box will contain ONE of these seven cards:
- Null Time Zone (from the Avengers expansion set)
- Avengers Assemble (from the Avengers expansion set)
- Superman (from the Superman: Man of Steel expansion set)
- Venom (from the Web of Spiderman expansion set)
- Have a Blast (from the DC Origins expansion set)
- Savage Beatdown (from the Marvel Origins expansion set)
- Enemy of My Enemy (from the X-Men expansion set)
