The General:
Class 100 Strenght, in Marvel Universe, he would be an heavyweight at Thor's level if not Superior, he trade blows with Superman, Martian Manhunter, Orion etc.
His invulnerability is also high, it took a tactical nuclear weapon to seriously hurt him, and Superman was forced to use his Heat Vision at max power to cut his arms during the issue in which The General and Lex Luthor's Injustice Gang destroy the Watchtower.
He's sufficiently fast to hit Superman, and to parry his attacks, he can also perform considerable leaps, and he heals very fast.The upper section of his body grow back from the explosion of the TNW(Tactical Nuclear Weapon)in seconds.
I think he can beat down Hulk and knock him unconscious.
I noticed that General was described as “Unstoppable force” sounds awfully familiar...hmm oh yeah the cross-over preview...where Hulk was described the same way...this isn't the only qincidentle throw-back...or is it qincidentle? maybe DC and Marvel are doing this on purpoise? like how Hyperion described his power of Invulnerability too Hulk or when Hulk single-punched someguys force field Doc Samson couldn't break after comparing himself with the Hulk...we shall truely never know...