Howling:Doctor Who/The Avengers crossover?

My suggestion is: There will be a Doctor Who/The Avengers crossover next year, it would intended to be a Xmas Special. Here's my plot concept:

''When Clara Oswald was kidnapped by Loki and the Cybermen, The Doctor united the comic book superheroes such as: Iron Man, Captain America, Hulk, Thor, Black Widow and Hawkeye. are on the mission to rescue Clara Oswald, however, Nick Fury, director of S.H.I.E.L.D., are united witb UNIT for the first time to destory the Cybermen forever otherwise the Earth will destroyed?''