Konami has confirmed that they will be uploading an archive of Special Stage Events at an unspecified future date.

Four Duel Operas will be added:

Jounouchi Katsuya & Kujaku Mai VS Yami Marik
Fudo Yusei VS Jack Atlas
Tsukumo Yuma VS Kamishiro Ryoga
Playmaker VS Revolver

And the Special Voice Actor Stage with all 8 Protaganist’s voice actors and Tsuda Kenjiro (the Japanese VA for Kaiba) will also be included.

Source