10 Superpowers You Never Knew Batman Once Had
4. The Blackrock Symbiote
We're sure you know all about the Venom Symbiote in the Marvel Universe, but the DC Universe's Blackrock Symbiote isn't quite as well-known. It's strikingly similar, however, and looks pretty much exactly the same.
However, that's where those similarities end, as it turns it victims feral and drives them to madness - instead of just making them share their brain and body with a weird alien co-pilot.
As you've guessed, Batman was once also infected, and gained super-strength, flight, and energy absorption/projection. Unfortunately, rather than having an "other" like Eddie Brock does as Venom, this acts more like a virus, and turned Bruce Wayne into an unhinged, overpowered monster.
Powered up by this Symbiote, the Dark Knight ended up coming to blows with Superman and proved to be more than a match for the Man of Steel. In fact, he pushed his fellow member of the Justice League to his very limits, and very nearly killed him before being freed from the Symbiote's control. Now, it resides safely in the Fortress of Solitude far from Batman's grasp.