EA has said the reason some concept art for a tank in Command & Conquer: Tiberium Alliances looked so similar if not identical to Games Workshop's tank in Warhammer 40,000 was due to "an ...

The artwork was internal EA concept art that was unintentionally released publicly. No Warhammer 40,000 tanks have ever made an appearance in Command and Conquer: Tiberium Alliances, and never will.