Maxima is a fictional character from the DC Comics Superman titles. She was created by writer Roger Stern and artist George Pérez.
Oldest child of the Royal family of the planet Almerac, the fiery-tempered Maxima came to Earth in search of a suitable mate, leaving behind Ultraa, her betrothed. Maxima's first appearance in Metropolis was not actually her but a simulacrum of her brought to Earth by her servant Sazu, who took it upon herself to convince Superman to be her mate. The simulacrum was destroyed and Sazu imprisoned. The real Maxima then appeared to free Sazu and came face to face with Superman. She and Superman, she argued, were genetically compatible; she could "give him what no Earth woman could - children". She was infuriated when Superman rejected her offer, saying he had no desire to father despots.
Maxima later found herself reluctantly working with Brainiac who had destroyed Almerac with the Warworld. She turned against him, and helped Earth's heroes defeat him, subsequently joining a reformed Justice League for her own reasons. When League helped her save Almerac from Starbreaker, the planet's ruling council exiled her. As a Leaguer, she helped in the fight against Doomsday, and when that version of the League disbanded, she became a member of Captain Atom's Extreme Justice team. She considered Captain Atom as a potential mate, but he was not interested. During the period of her flirtation with Captain Atom, an angry jilted Ultraa attacked him. Maxima eventually stopped the brawl and sent Ultraa back to Almerac. She later had a brief fling with another teammate, Amazing-Man, which lasted until the team was dissolved.
She offered herself to Superman again, hoping that her recent good deeds would offset her earlier ruthlessness. Superman, now married to Lois Lane, was even less interested in her proposal than before. Angry and humiliated, she joined the Superman Revenge Squad. She swore that Superman had rejected, humbled and humiliated her for the last time, and threatened that the next time they meet, it would truly be war.
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Official Site: D.C Comics
Links: Wikipedia Comic Vine Un. Guide to D.C Universe