|First Aired||February 23, 2015|
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Invasion is the third and final episode of Avengers Tower.
The Avengers are attacked on their home turf! When AIM launches an assault on Avengers Tower, Earth's Mightiest Heroes are outgunned and unprepared for a battle that will leave no stone unturned.
- Cliff Thompson as Captain America
- Courtney Leacock as Iron Man
- Courtney Leacock as Black Panther
- Kosi Carter as Mockingbird
- Nick Raines as Spider-Man
- Jack Rizzo as Herbert Wyndham
- Shawn West as Aldrich Killian
- Jay Silver as Ultron
- A.I.M. Jet
- This episode was originally titled Ultron Ascending, split into two parts, and featured Ultron in a far larger role.