When the Hulk breaks out of the net he has been captured in and begins to climb up it, the remaining portion of the net completely disappears.
Each time Betty is shown from an ants perspective while flying the Jet Marine, part of the cockpit's roof is missing.
The first time Ned Talbot is seen in the cockpit of his plane, the clouds outside the window do not move.
When Bruce and Rick are running through the hall of mirrors, the reflection of part of Rick's hat and arm overlap the edge of one of the mirrors.
Since Banner was the only one in the Transmat during the teleportation experiment, therefore only coordinates to transport one body, it makes no sense that General Ross, Betty and Talbot did not discover his secret when he changed to the Hulk during mid teleportation. If the Hulk and Banner were on the Transmat together, there would have been coordinates for two separate people.