Spiderman to have a cameo in The Avengers?

Speaking of The Avengers, apparently some council member named Jenny Agutter leaked that there was going to be a cameo from Spiderman in the film.

Personally I don't want that for the sheer fact that it will, no doubt, be Andrew Garfield because he is technically the new Spiderman. I think if this is true it is nothing but a cheap advertising stunt to promote The Amazing Spiderman which isn't even the same studio. The Avengers was put on by Paramount Pictures while The Amazing Spiderman belongs to Sony Pictures. The only thing they have in common is Marvel which is now, unfortunately, controlled by Disney. I love Disney but they will capitalize on anything by any means necessary.

What do you think? Yes or no? If it's even true, that is.

http://www.comicbookmovie.com/fansites/Thorverine/news/?a=53258