Captain America and Iron Man don't always see eye to eye, with new Civil War fanart paying homage to an epic Batman vs Superman fight from the comics.

As the Marvel Cinematic Universe continues to grow, many fans have wondered if favorites like Iron Man and Captain America will ever return to screens.

Iron Man and Captain America are the backbone of the Avengers in the MCU. While they work great together, their stubbornness and differences came to a head in Captain America: Civil War.