The opening sequence of the show utilizes a rock-inspired instrumental piece, primarily featuring electric guitar riffs and a driving beat. It's not an original composition specifically made for the show.
Unfortunately, the specific track name and artist for this instrumental are not publicly available. It's likely a licensed piece chosen for its energetic feel, fitting the show's action-packed style.
If you're looking for the music used in the show, you can try searching for "Iron Man: Armored Adventures" on platforms like YouTube or music streaming services, as some uploads might include the instrumental opening theme.