There are plenty of small details in Marvel movies, in fact I would say in every scene a small detail is present. 1: Tony notices that Steve is worthy: When Tony finally gets to see Steve use Mjolnir, he is fascinated by it due the fact that he was unconscious at the time. He understands that Steve is "worthy" to use it, especially considering that only Thor and the Vision had previously done so. 2: Howard Stark in Homecoming In Homecoming, we notice artwork depicting famous people on the walls of Midtown High School in addition to the photograph of Bruce Banner in Peter's classroom, one of which features Howard Stark (behind Peter). 3: Captain America’s Star and Avengers logo symbols: Steve's suit features the Avengers logo and the Captain America Star emblem in Age of Ultron. He takes the Avengers emblem off his outfit as he quits being an Avenger in Civil War. At the conclusion of Civil War, he surrenders his shield and flees, and as we will see in Infinity War, he...