Veronica

Veronica is an Armor Module, which is a large pod containing the attachable Armor Add-ons for the Mark 44. The pieces it carries are used to transform the Mark 43 into the Mark 44.

Features
It can supply the Mark 43 with the hulkbuster armor, and can auto-repair the armour with the code "Veronica". The Veronica armor module also includes the Hulk Cage, in which it entraps the Hulk.

Avengers: Age of Ultron
When Scarlet Witch Mind-controlled the Hulk to ravage a city, Tony put on the Mark 44 via Veronica to fight the Hulk.

Trivia

 * Veronica means "she who brings the victory", maybe referencing to the raw power and support needed to defeat Hulk.


 * The codename "Veronica" according to Joss Whedon.