While the MCU movies have turned him down a bit to create full-length features where the bad guys don't die in thirty seconds, Thor is incredibly powerful.
Captain Marvel, like Thor, is even more powerful in the comics than on the big screen. Carol Danvers, insanely strong, indestructible, in addition to being capable of interstellar flight.
While Wanda Maximoff's cinematic and comic book appearances are radically different, the two versions hold immense power.
Another Omega-level mutant, Hope Summers was the first mutant born after the Scarlet Witch killed/deprived over 90% of the world's mutant population.
Proteus (Kevin McTaggert) is another Omega-level mutant, who is notably capable of distorting reality. Yes, very scarlet witch. But this is not where his potential ends.