Out with the old, in with the new. Last week writer Brian K. Vaughan announced he and artist Adrian Alphona would be leaving Runaways, their superpowered-teens-on-the-run series with issue #24. Now, Marvel has unveiled the new team. Artist Michael Ryan (New Excalibur) and a young writer named Joss Whedon (creator of Buffy The Vampire Slayer, Angel, and Firefly).