Hmm, well, Nova stuck his hand down Annihilus's throat and killed him, and Apocalypse is the most durable and versatile character here. He also has the ability to teleport himself and objects. All he'd need to do is disarm Annihilus by teleporting the Control Rod out of his hands and he should be able to possibly stomp both Annihilus and Blastarr on his own. Not sure he could tank a direct engagement against the Control Rod, though he could possibly absorb and redirect energy attacks directed at him. If it degrades into a physical confrontation Apoc and Abom should have this in spades.
NZ 7/10
Or maybe more.
Annihilus with Control Rod was up there in the food chain of cosmic characters. Still, he can be defeated, especially if he'd let his guard down.
Like, if Blastaar attacks him from behind courtesy of Nur's mindrape...
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yeah, i always put annihilus somewhere AROUND thor before annihilation. i couldn't decide whether he'd been upgraded during annihilation though. i know he got the bands, but even before that he seemed to have been considered more powerful. i think a well written apoc would be a great match against anny, and i think blastarr and abomination would be a fun one to see as well. i could see this going either way, maybe a slight edge to NZ.