Rest assured this doesn't appear to be a repeat of the summer-long negotiation tactics, eventually went public to sway favor with fandom it got so heated, between Marvel and Jon Favreau over Iron Man 2. We know how well that turned out.
Joss Whedon has signed on to write and direct The Avengers 2, Disney big-cheese Bob Iger revealed this afternoon at the Disney Investors Conference Call. No release is in place but we wouldn't be too far off to guesstimate a summer 2015 date is in order. Whedon will also spear-head a "Marvel-based" television series for ABC, confirming those rumors from a few weeks back.