March 30, 2009 10:32 am “Monsters vs. Aliens” Attacks Box Office The 3D animated flick scores the best opening of the year with $58.2 million. “The Haunting In Connecticut” debuts in second place. “Knowing” falls from first to third. “12 Rounds” opens in seventh place. US & World Videos 0:47 WATCH: Comet fragment lights up the sky in Portugal 1:58 ICC seeking arrest warrants for Israeli and Hamas leaders 1:43 World reacts to death of Iran's president 1:07 Cargo ship that crashed into Baltimore bridge moving back to port 5:30 Jake Gyllenhaal sings Boyz II Men During ‘SNL' season finale