I rated it "Iffy" for commercialism and violence. However, it is a "brawler" based on the "Spiderman" franchise. So, this of course means it is advertising Spiderman constantly and it is by its' nature a fighting game.
Assuming that the concept of a fighting game is O.K. for your kids, this is a fine game. The "plot" is thin, the game is repetitive, and my kids love it. Spiderman is a LOT of fun to control. I've finished about 85% of the game at this point, and you spend almost all of your time punching, webbing, and throwing "bad guys". The villians are a blast to control as well, and provide good variety.