A new rumor has started circulating around the internet suggesting that Brainiac could be the main villain for the .
With Cavill’s future as the Man of Steel currently in doubt, it’s certainly possible that Warner Bros. took that idea and implemented it instead for their Supergirl movie. It also might be a little strange for the character to show up as opposition to Supergirl before Superman, considering how much of a major adversary he’s been to the comic version of the latter. Of course, this wouldn’t be the first time that DC and Warner Bros. has altered or outright changed the mythos of characters compared to their comic counterpart. For now, fans will simply have to wait and see if rumors of Brainiac’s involvement in Supergirl has any merit.
Source: Daniel R