In Black Panther, Martin Freeman’s Agent Ross strikes a nice balance between the sweaty-palmed bureaucrat of the comics and a capable character who is a real asset to the team.
That makes him far better suited to MCU adventures than his comic book counterpart.
This shows when in the film’s third act, Agent Ross proves an integral part of the team to reclaim the Wakandan throne as he stops the advanced tech from leaving the country.
Everett Ross is a frequent presence in the Black Panther comics where he worked as a State Department liaison to T’Challa and Wakanda, but in the MCU, he is a CIA operative who works in a counter-terrorism capacity.