The episode was action-packed, fun, and occasionally funny (Hulk repeatedly picks fights with The Thing and likes to make fun of the guy for never having won), and there was even a twist ending (SPOILER ALERT While Iron Man is locking down its character actors, they still haven't got a cast lined up for **Thor ** . The best we have so far are the rumors of Alexander Skarsgård possibly playing Thor , and Josh Harnett playing his mischievous brother Lo Agent Coulson (voiced by Clark Gregg, the sam...