Captain America 2: 20 Easter Eggs, References & In-Jokes You Need To See

17. Tony Stark Upgraded The Helicarriers

As Captain America is introduced to SHIELD's latest project - a trio of giant helicarriers like the organisations sky-bound base in the Avengers movie - he is told the engines have been improved by Tony Stark, after he got a close-up look at them, and decided on the improvements. This of course calls back to the moment in The Avengers when Stark jump starts the turbine engine by flying around inside it. Where To Watch Out For It The first time Project Insight and the trio of helicarriers is mentioned.