Wanneer Avengers Tower wordt aangevallen tijdens het vakantiefeest, moet Happy Hogan zijn heldenkwaliteiten bewijzen.
Gastrollen:
Chris Hemsworth(King Thor Odinson (voice)), Jeremy Renner(Clint Barton / Hawkeye (voice)), Mark Ruffalo(Bruce Banner / Hulk (voice)), Josh Keaton(Steve Rogers (voice)), Ross Marquand(Werner (voice)), Terri Douglas(Additional Voices (voice)), Matthew Wood(Additional Voices (voice)), Lake Bell(Natasha Romanoff (voice)), Mick Wingert(Tony Stark (voice)), Robin Atkin Downes(Additional Voices (voice)), Jon Favreau(Sir Harold 'The Happy' Hogan / Happy 'The Freak' Hogan (voice)), June Christopher(Additional Voices (voice)), Kat Dennings(Darcy Lewis (voice)), Cobie Smulders(Maria Hill (voice)), Dave B. Mitchell(Additional Voices (voice)), Isaac Robinson-Smith(Sergei / Additional Voices (voice)), David W. Collins(Additional Voices (voice)), Sam Rockwell(Justin Hammer (voice)), Matthew Waterson(Rusty (voice)), Anastasia Baranova(Additional Voices (voice)), Toby Larsen(Additional Voices (voice)), Luke Lowe(Additional Voices (voice)), Lucy Lowe(Additional Voices (voice)), Maggie Lowe(Additional Voices (voice))