Injustice: Gods Among Us (2013)

The following weapons appear in the video game Injustice: Gods Among Us:

Handguns

Beretta 92FS

Deathstroke carries at least four Beretta 92FS pistols on him and dual-wields two of them.

Beretta 92FS - 9x19mm

Deathstroke loads his Beretta 92FS.

A side view.

Deathstroke preparing to fire at a dazed Green Arrow.

Mateba Autorevolver

One of Harley Quinn's attacks involves firing a Mateba Autorevolver.

Mateba Model 6 Unica - .357 Magnum

Harley Quinn fires the Autorevolver at Batman. Note how she appears to be fanning the hammer despite the revolver being semi-automatic.

Promotional image showing Harley with the Autorevolver.

Unknown Pistol

A Joker thug in the Lex Luthor Character Trailer is seen with an unknown pistol.

A Joker thug with his unknown pistol boxed in red.

Unknown Revolver

The Joker uses an unknown revolver with a long barrel.

The Joker firing his revolver at Green Lantern.

Joker about to fire at Lex Luthor.

Shotguns

Cobray Street Sweeper

A robot guard in Stryker's Island carries a somewhat oversized Cobray Street Sweeper which can be used by certain characters such as Joker.

Cobray Street Sweeper - 12 Gauge

On the left, a robot guard with a somewhat oversized Cobray Street Sweeper.

The Joker points the Street Sweeper at The Flash.

Submachine Guns

Heckler & Koch MP5K

Deathstroke's "special" move has him firing two Heckler & Koch MP5Ks.

Heckler & Koch MP5K - 9x19mm

Deathstroke firing two MP5Ks.

IMI Uzi

Harley Quinn is seen with an IMI Uzi with an under-barrel flashlight, a railed carrying handle, and "Ha Ha" spray painted all over it in the trailer.

IMI Uzi - 9x19mm

Harley with the Uzi.

Rifles

Custom AR-15

True to the comics Deathstroke has a Custom AR-15 with a 20-round magazine, a scope, a custom stock, and an M203 grenade launcher built into the handguard.

Deathstroke chambers a round in his AR-15. Note how the magazine goes into the trigger guard.

The AR-15 slung on Deathstroke's back.

Deathstroke fires the M203 on the AR-15 at Green Arrow.

Colt M4A1 Carbine

A Joker thug in the Lex Luthor Character Trailer and Gotham SWAT officers in the Harley Quinn Character Trailer are seen with oversized Colt M4A1 Carbines.

Colt M4A1 Carbine - 5.56x45mm

A Joker thug with an M4A1 on the left.

Gotham SWAT officers with oversized Colt M4A1s.

Fictional Rifles

Regime soldiers have fictional rifles that seem to have 7.62 and 9x19mm magazines, fitted with under-barrel grenade launchers.

Regime soldiers are armed with fictional rifles.

The Regime troops point their rifles.

Regime soldiers surrounding an offscreen Batman. Note that the rifles on the left appear to have 7.62 magazines (the curved one on the far left can't be a 5.56 magazine since those are thinner compared to 7.62 mags) while the ones boxed in red have what seem to be 9x19mm magazines.

Regime soldiers with their rifles with under-barrel grenade launchers.

Machine Guns

Browning M2

A mounted Browning M2 is seen in Wonder Woman's spot in the "Versus" trailer.

Browning M2HB on vehicle mount - .50 BMG

A Browning M2 mounted on a tank behind Wonder Woman. This is the clearest shot of it.

Fictional Mounted Machine Gun

Rather than simply being part of the scenery for the "Fortress of Solitude" stage an APC occasionally fires its mounted Machine Gun at the fighters in range.