It's a whole family of supers.
5 seconds sound clip from the The Incredibles (2004) movie soundboard.
You can hear this line at 01:29:23 in the Blu-ray version of the movie.
Quote context
[...]
- What have we here? Matching uniforms?
- Oh, no!
- Elastigirl? You married Elastigirl? Whoa!
- It's a whole family of supers.
- Looks like I've hit the jackpot!
[...]