The Walt Disney Pictures and Pixar Animation Studios opening logos are shaded red, black and yellow, the uniform colors of the Incredibles.
There is a dedication in the closing credits "This film is dedicated to the SUPER FAMILIES and friends whose love & support keep us strong."
At the end of the closing credits, the Underminer digs up from the bottom of the screen and does a getaway.
The animated silhouettes at the beginning of the credits (also appear in The Incredibles (2004)) now include Jack Jack
There is a dedication in the closing credits: "In loving memory of Bud Luckey (1934-2018)".
The Walt Disney Pictures opening logo is in the Incredibles' 60s artwork, has the city of Metroville in the background, and has the castle display the Incredibles symbol (seen when the logo fades out).