Nuclear Man

After stealing a strand of Superman’s hair from a museum in Metropolis, Lex Luthor and his nephew Lenny created a clone of Superman by placing the hair and his DNA into a case on a nuclear missile scheduled to be hurled into the sun by Superman. Within the star, Nuclear Man was born with the sole motivation of killing the Man of Steel.

Strength

• Bursts through concrete during his struggle with Superman (source)
• Seems evenly matched with Superman during their struggle (source)
• Shook off Superman’s grip (source)
• Picks up the Statue of Liberty and throws it (source)
• Sends Superman flying with a kick (source)
• Flies through a building (source)
• Casually backhands Superman away (source)
• Tackles Superman to the ground (source)
• Hammers Superman into the moon with his punches (source)
• Bursts through the ceiling of the Daily Planet (source)

Speed

• Flew from the Sun to Metropolis in a short amount of time (source)
• He and Superman quickly fly into space (source)
• Flew from the moon to New York in a matter of seconds (source)
• Flew in a circle fast enough to make a tornado (source) ([Deleted Scene])

Durability

• Gets punched in the back by Superman (source)
• Flew into a volcano causing it to erupt with no damage (source)
• Gets kicked by Superman (source)
• Gets kneed in the face and thrown by Superman (source)

Energy Projection

• Lights Luthor’s cigar (source)
• Burned his footprints into concrete (source)
• Shot several blasts destroying parts of the Great Wall of China (source)
• Channels it into his nails and one-shots Superman with a scratch which saps his strength causing him to grow sick and weak (source)
• The sheer power radiating off of him destroys a car (source)
• Destroys a city block with his blasts (source)
• Melts a bazooka with his eye beams (source)
• His unconscious body powers an entire city (source)

Telekinesis

• Lifted Lenny and spun him around with telekinesis (source)
• Lifted a van and spun it around along with the man inside (source)
• Lifts some people (source)

Other Abilities

• Flight (source)
• Freezes Superman solid with his freeze breath (The breath he uses in space by the way) (source)
• Grows his nails at will (source)

Weaknesses

• He is reliant on sunlight to operate; whenever he isn’t being touched by direct sunlight he powers down and grows cold but even the slightest amount of sunlight is able to wake him back up (source)