Marvel Secret Wars is a 2015 San Diego Comic-Con Exclusive 3-Pack. The packaging is shaped like an box with books. The three books all have one car in them, either flying through the city or hanging on a building. The cars included are Marvel Character Cars, made to look like a super hero. The three heroes included are: Captain America, Iron Man, and Spider-Man. Hot Wheels® brings Marvel's Secret Wars to the fast track with this commemorative 3-pack of highly-detailed character cars representing Miles Morales: The Ultimate Spider-Man™, Superior Iron Man™ and Sam Wilson's Captain America™.