Continuity mistake: When Maria says "It's just basic physics" and takes a sip, her grip on the glass is different than in the following shot. (01:15:05)
Continuity mistake: When the doctor asks Fury "How's your eye?" he turns towards him twice in two separate shots. (00:36:20)
Continuity mistake: Going through the old file about Carol's case at the end of the movie, Fury reaches for her picture, which is turned 90° to fit in the folder (being horizontal) but at the cut the picture is already oriented correctly for him to look at. (01:52:20)
Continuity mistake: Dining with the Skrulls at the end of the movie, Carol responds to young Monica's "You don't know" with "He doesn't." Sam Jackson is holding his finger on the glass differently between shots. (01:47:49)
Continuity mistake: During the fight between Fury and Director Keller in the archive, an object (a suitcase or a folder?) suddenly appears mid-fight, either in upright or horizontal position. (00:52:00)
Continuity mistake: The Supreme Intelligence has a worried expression when Carol gets close, and drops the energy beam that was not working. However, inexplicably she's smiling once Carol rips the control device from her neck, before switching back to the kind of "Oh no" face she had before. (01:31:45)
Answer: Howard Stark relinquished custody of it to her. For a full history of the Tesseract see here: https://marvelcinematicuniverse.fandom.com/wiki/Tesseract.
ctown28 ★