In case there was any doubt that a movie featuring an action hero raccoon could be made, Marvel's Phase Two is in full swing, with a whole bunch of early material hitting arriving this week. The superhero studio isn't wasting any time moving on as they continue to cast up " Guardians Of The Galaxy ," adding one actress who knows her way around the solar system already. Zoe Saldana , already a veteran of the " Star Trek " series, will trade her blue " Avatar " skin for green, as she's in the negotiations for the role of Gamora. She'll join a pretty wacky cast so far that includes Chris Pratt as Star-Lord and WWE dude Dave Bautista as Drax. Anyway, for those of you not quite up on your nerd lessons, Gamora is the adopted daughter of the villain Thanos, and also a love interest of fellow Galaxy member Adam Warlock. She's got superhuman strength,