The four way title match for the Intercontinental Gold was added officially to the card for WWE Extreme Rules 2016 on Raw.
WWE Intercontinental Title
The Miz (c) vs. Cesaro vs. Sami Zayn vs. Kevin Owens
Here is the full announced card, which now has five matches.
Extreme Rules Match for the WWE World Heavyweight Title
Roman Reigns (c) vs. AJ Styles
Submission Match for the WWE Women’s Title
Charlotte (c) vs. Natalya
Ric Flair is banned from ringside
WWE United States Title Match
Kalisto (c) vs. Rusev w/Lana
WWE Tag Team Title Match
The Vaudevillains vs. The New Day
WWE Intercontinental Title
The Miz (c) vs. Cesaro vs. Sami Zayn vs. Kevin Owens