Hasbro announced at BotCon that the Mighty Muggs were discontinued, but on display at the SDCC this weekend are some unreleased Mighty Muggs, which actually confirms what Hasbro AU were saying at the Australian Toyfair earlier this year - we would see the Gen1 series suspended for some Movie themed Mighty Muggs to be released.

On display are the unreleased 3rd wave of Gen1 Mighty Muggs (Jazz and Shockwave), and two Movie Mighty Muggs (Optimus and Bumblebee).

From here or the original source here.