It was the bombshell that rocked us in April 2008. Revealed in a Mortal Kombat Online exclusive: Mortal Kombat versus DC Universe turned the core fighting franchise on its head -- introducing MK's first all-out crossover with another franchise! It brought an end to then-rampant sequel speculation, and created an indelible link with the superheroes that starred in 2013's Injustice: Gods Among Us.

Six years on from that memorable first image [pictured right] - we are again anticipating what might be announced when a mystery countdown ends June 2nd. Sequel rumors persist for both Mortal Kombat and Injustice -- leading to speculation of overlapping, or simultaneous development cycles.

Always up for a lark: NetherRealm Studios Creative Director Ed Boon has thrown "Injustice Too" into the collective vernacular. The overseer of both MK and Injustice is probably just engaging in a little harmless subterfuge, but it alludes to a hypothetical outcome few have even dared to consider.

The next generation is changing the game and we think there's a concept that would make use of dual franchise development. An idea that would land Warner Brothers on the cutting edge of attempting to please everybody. Before we get to that, some history: