This chart rebuilds four separate screen-time breakdowns into one running total, so the ranking can be followed film by film instead of one movie at a time. Only the moments where each film ends are measured; the motion in between simply connects those checkpoints.
Iron Man leads at every movie-end checkpoint and finishes at 6,818 seconds, just under 1 hour 54 minutes across the four films. The more visible shifts happen further down. Thanos, with under 20 seconds through the first two films, reaches sixth place after Infinity War, while Hawkeye adds no time in that film at all.
How closely time on screen matches a character's sense of presence is a question the chart leaves open.
All measurements come from a four-part series by Reddit user u/Jack_KH in r/marvelstudios. The author describes measuring each film frame by frame in editing software, counting the time a character is visible in shot.
The source is a manual measurement by one person, and it includes that person's judgment calls. In Age of Ultron, for example, the author counts Ultron's sentries as Ultron and leaves out Agent Carter and Heimdall because they appear only in visions. Gaps of a few seconds between characters should not be treated as meaningful.
The source lists time in minutes, seconds and frames but does not state a frame rate. The 25 fps reading used here is an assumption based on the frame field running from 00 to 24, so fractions of a second are not precise. Combining Bruce Banner with Hulk and removing the Cloak of Levitation are editorial decisions made for this chart, not part of the original data.
The hero, villain and supporting colors are also an editorial grouping, not an official classification. Loki is shown as a villain because of his role as the main antagonist of The Avengers. The top-15 cutoff is narrow at the end: Rocket, in 16th place, trails Star-Lord by under 50 seconds.
The horizontal axis rescales to each frame's leading value, so bar lengths can be compared within a frame but not across frames. The underlying totals never decrease.
The staging frame under the Endgame label is not screen time at the halfway point of Endgame. The source only provides one total per film, so there is no record of when inside a film each character appears, and the chart does not invent one. Value labels are hidden during the animation so this in-between frame is not read as a measured value.
Screen time is not a measure of dialogue, number of scenes, story importance, popularity or pay. Because shared shots are credited to every character in them, the character totals add up to more than the films' running time.
The ranking covers these four films only, not the wider franchise. A character missing from the top 15 still has screen time: Spider-Man, for instance, ranks 20th with about 685 seconds.