Mars Needs Moms was a project announced a few years ago and originally Hans Zimmer was attached to score. Due to scheduling conflicts most likely due to Rango and Pirates Of The Caribbean: On Stranger Tides Hans had to step down. John Powell took the project and is in no way a replacement but probably a better choice. There is no denying the fact that John is the king of animation these days. John had a monumental 2010 which earned him his first Oscar nomination for what was without a doubt his best score. Is Mars Needs Moms on the level of How To Train Your Dragon? Almost…