ok i would like to no whats the most usfull fig in Xplosion and
Critical Mass and plz dont tell me its Silver Surfer i hate him

It's that one guy who has defender's team ability, he has flying, high attack, defense, movement, etc, rides a long shiny plank of wood and is bald. Forget his name though.

From XP, here's some of my faves:
Vet. Abom
Vet. Doc Samson
Green Goblin
and the Hand Ninjas of course...

From CM:
Exp. Moonknight
Marrow
Ulik (Major Beatstick)
Absorbing Man (Another Beatstick, but his low D can be a problem, especially for Outwitters)
Most of the Uniques are pretty good, some are overrated. I actually think Surfer is quite overrated, at least in 300 pt. games.

Hope this helps a little!

XPlossion
Taskmaster
Deathbird
Green Goblin
Mystique
Psylocke
Destiny
ConArtist
Paramedic

There are a ton more but you'll see these a lot.

CM
Ulik
v Spidey (especially if mixed play)
Venom
Calypso
Moon Knight
Electra

I'm sure I'm missing a bunch from CM but it's not near the set Xplossion was. Sure there is awesome stuff but you'll just see the Xplossion stuff a little more oftern (especially ConArtists and Paramedics)

You may hate him, but I've found him to be quite useful.

From Xplosion I'd have to say Experienced Taskmaster.

Okay the most useful one is *whispers inaudibly*