`` Monsters vs. Tom Charity '' about Earth -born `` monsters '' taking on megalomaniacal alien . Film 's main character is almost 50-foot woman voiced by Reese Witherspoon . `` `` Monsters vs . '' `` Monsters vs. Aliens '' runs 94 minutes and is rated PG . has great talent but no script to speak of , says Aliens .
`` Monsters vs. Tom Charity '' about Earth -born `` monsters '' taking on megalomaniacal alien . Film 's main character is almost 50-foot woman voiced by Reese Witherspoon . `` `` Monsters vs . '' has great talent but no script to speak of , says Aliens .