Complex sentence: He crash-landed on an under construction highway and took a beeline for the Project Pegasus headquarters, after several failed attempts from Iron Man to stop him, he paid a visit to Project Pegasus to find out Vanko's reasons for targeting the building.
Split into simpler sentences: He crash-landed on an under construction highway and took a beeline for the Project Pegasus headquarters. After several failed attempts to stop him, Iron Man paid a visit to Project Pegasus to find out Vanko's reasons for targeting the building.