Acts Of Vengeance was pretty stupid, as we'll find out in this week's Friday Night Fights.
See, the whole idea was that villains "trade" the heroes they usually fight. That way, the good guys wouldn't be familiar with the bad guys' M.O. and weaknesses, and they'd be able to take down the super-heroes.
Of course, this ignored the other side of the equation: the new villains wouldn't be familiar with the heroes, either, and so any surprise would also work against them.
Case in point: a few dozen minor super-villains have been showing up and attacking the Fantastic Four out of nowhere. The FF track the source of the problem to a Doombot, and...
Spacebooger wants a Super-Adaptoid/Super-Skrull fight!!
You really should know your targets better in Fantastic Four #336 (1990), by Walter Simonson, Ron Lim and Mike DeCarlo
Now is the time for you to go and vote for my fight. Why? Because Ben taking down the Super-Adaptoid single handed is the coolest thing you'll see this weekend. So go and vote!!