Complex sentence: After the groups proved successful, the information Marvel received helped them formulate a plan to "build awareness ahead of the movie's release", which included three animated short films called "Iron Man Advertorials", which were produced by Tim Miller and Blur Studio.
Split into simpler sentences: After the groups proved successful, the information Marvel received helped them formulate an awareness-building plan, which included releasing three animated short films ahead of the film's release. The shorts were called "Iron Man Advertorials", and were produced by Tim Miller and Blur Studio.