Complex sentence: All three would reunite once again as playable characters in "MK2011", while Cyrax and Sektor's "MK3" costumes were released together in June 2011 as downloadable content for the reboot game.
Split into simpler sentences: All three would reunite once again as playable characters in "MK2011". His and Sektor's "MK3" costumes were released together in June 2011 as downloadable content for the reboot game.