You need to perform his Flying Power Bomb (360 Motion + MK) as a reversal attack, when Zangief is recovering ... difficulty to 7 or 8 stars and clear Super mode without losing a round.

Press Start once (for Dhalsim, Ken, Ryu, Sagat, Vega and Zangief) for their Super Street Fighter 2 versions. Press Start 2x for Chun-Li. Note that all characters have 2 colors (P or K) but Chun-Li ...

Zangief AKA the Red Cyclone is a Russian national hero who first appeared in Street Fighter II. Bringing a mix of Russian and American pro-wrestling style, Zangief is a direct rival to R.