There are some pretty cool weapons coming to the new cyberpunk game, we don't know exactly at this point the breadth of variety.
Here are some of my suggestions for weapons that could return or be added at a later date
Splatman Airpistol (CyberGeneration)
A Paintball Gun that can have different types of ammunition can be loaded.
Rhinemetall EMG-85 Kinetic Energy Railgun (Chromebook Vol.2)
Portable Railgun/Rocket launcher style weapon
Zapman Taser Pistol (CyberGeneration)
Variable electric output taser gun (Non-lethal to Lethal)
Avante P-1135 Needlegun (Cyberpunk 2020)
A lightweight plastic, compressed-air powered pistol. The weapon can fire Various different types of poisonous or drugged needles.
No photo sorry
Wolvers (Cyberpunk 2020)
Blades that extend out of the forearm unlike Wolverines claws which come out of his hands.