When Watarase orders Midori to evacuate Sendai, she is wearing a skirt. When Midori arrives at the airport, she is wearing slacks. Later in Tokyo, she is wearing a skirt again.
The "My name is Legion" quote is from Mark 5:9, not Mark 9:8 as claimed by one of the soldiers (in the dubbed DVD version).
During the attack at the Tonegawa river, one of Legions limbs can be briefly seen catching fire.