Following the usual Marvel plan of opening in select international markets (including the UK), Thor: Ragnarok rumbled into Stateside cinemas and made a big impact. The new movie earned $121 million, according to studio estimates. Adding to its previous haul from elsewhere, the latest Thor entry is up to $427 million, which is a healthy start for the movie.It was more than enough to see off its nearest competitor, A Bad Moms Christmas , which looked to offer a little counter-programming to the latest superhero outing. At $17 million, it's not on the level of the original, which launched with $23.8 million last year, but it's not too bad considering the film's roughly $28 million production price tag. Jigsaw was pushed down to third place, adding $6.7 million, while Tyler Perry's Boo 2! A Madea Halloween also fell, landing in fourth with $4.6 million. Geostorm rounded out the top five, making $3 million. At sixth, we find Happy Death Day , which earned $2.8 mil...