Here's the full cast...
- Adrian Pasdar - Iron Man
- Andrew Kishino - Juggernaut
- Clark Gregg - Agent Phil Coulson
- Danielle Nicolet - Storm
- Dave Boat - Venom
- David Sobolov - (character not yet revealed)
- Dee Bradley Baker - Mr. Fantastic
- Fred Tatasciore - Hulk/Bruce Banner
- Greg Cipes - (character not yet revealed)
- James Arnold Taylor - Spiderman
- James Horan - (character not yet revealed)
- JB Blanc - (character not yet revealed)
- Jeff Combs - (character not yet revealed)
- John Bentley - Nick Fury
- John DiMaggio - Galactus
- Kari Wahlgren - (character not yet revealed)
- Laura Bailey - Black Widow
- Nolan North - Deadpool
- Phil LaMarr - War Machine
- Robin Atkin Downes - Rhino
- Roger Craig Smith - Captain America
- Stan Lee - Himself
- Steve Blum - Wolverine
- Tara Strong - (character not yet revealed)
- Travis Willingham - Thor
- Troy Baker - Loki
- Yuri Lowenthal - (character not yet revealed)
- Beast
- Colossus (LEGO Big Figure)
- Doctor Doom
- Elektra
- Gambit
- Green Goblin
- Howard the Duck
- Invisible Woman
- Jean Grey
- Juggernaut (LEGO Big Figure)
- Kingpin (LEGO Big Figure)
- Curt Connors (LEGO Big Figure)
- Magneto
- Punisher
- Rhino (LEGO Big Figure)
- Sabretooth
- Silver Samurai
- Squirrel Girl
- Stan Lee
- Storm
- The Blob (LEGO Big Figure)
- Vulture