One of David Kaye's roles was to play several characters in what animated television series that was designed to capitalize on the 2012 film, "The Avengers"?
Avengers Assemble
Title: David Kaye
Passage: David V. Hope (born October 14, 1964), better known by his stage name, David Kaye, is a Canadian voice actor.  He is best known for his roles in animation, including Megatron in five of the "Transformers" series ("", "", "", "", and ""), Optimus Prime in "", Professor X and Apocalypse in "X-Men Evolution", Cronus in "Class of the Titans", Khyber and Shocksquatch in "", several characters in "Avengers Assemble", Reginald and various other characters in "Regular Show".  He is also well known for his work on English versions of anime, his notable roles being Sesshomaru in "InuYasha" and Treize Khushrenada in "Mobile Suit Gundam Wing".  He provides the voice of Clank in the "Ratchet & Clank" video game franchise and the feature film.  His voice is featured in the Academy Award-winning Disney/Pixar movie "Up" and he is also the in-show announcer for "Last Week Tonight with John Oliver" on HBO.
Title: Halloween on Spooner Street
Passage: "Halloween on Spooner Street" is the fourth episode of the ninth season of the animated comedy series "Family Guy".  It originally aired on Fox in the United States on November 7, 2010.  The episode follows baby Stewie and anthropomorphic dog Brian as they go trick-or-treating on Halloween.  Stewie is soon confronted by bullies, however, who steal his candy, causing the two to attempt to take the candy back.  Meanwhile, neighbors Peter and Joe decide to play several pranks on their other neighbor, Glenn Quagmire, causing him to want to seek revenge on his friends while Meg and Chris attend a teenage halloween party at Connie D'Amico's house.  The episode is the only Halloween special of the series as well as one of the only episodes to have three subplots.
Title: Avengers Assemble (TV series)
Passage: 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 "".
Avengers Assemble (TV series) David Kaye