Avengers Assemble

Avengers Assemble is an American animated television series based on the fictional Marvel Comics superhero team known as the Avengers. Designed to capitalize on the success of the 2012 film The Avengers, the series premiered on Disney XD on May 26, 2013, as the successor to The Avengers: Earth's Mightiest Heroes.

It previously aired alongside Ultimate Spider-Man and Guardians of the Galaxy as a part of the Marvel Universe block. Joe Casey, Joe Kelly, Duncan Rouleau and Steven T. Seagle, known collectively as Man of Action, developed the series and were executive producers on seasons 1 and 2.

Plot

Falcon is the newest member of the Avengers. Falcon is the main eyes and ears of the viewer as he fights evil and saves the world with his teammates. The Avengers team consist of Iron Man, Captain America, Thor, Hulk, Black Widow, and Hawkeye.

Blood Feud (Season 1, Episode 5)

The Avengers face off against Dracula and his vampire army after Dracula partially converts Black Widow into a vampire. It's a race against time to stop Black Widow from becoming a full vampiress.

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  Black Widow is bitten by Dracula, and possessed, sends a message to the Avengers.

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  Natasha falls under Dracula's influence.

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  Dracula introduces Black Widow as his new vampire slave.

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  Hulk is bitten and transformed by Dracula, falling under the vampire's influence.