Re: So which companies are doing the CGI/VFX?
Yup. Legacy Effects have done a really great job with Iron Man 2 and Iron Man 3.
DC Extended Universe (2013-2020)
Man of Steel (Zack Snyder)/ Batman v. Superman: Dawn of Justice (Zack Snyder)/ Suicide Squad (David Ayer)/ Wonder Woman (Patty Jenkins)/Justice League (Zack Snyder)/The Flash/Aquaman (James Wan) /Shazam!/Cyborg/Green Lantern